Talk:co-
Effort to categorize derived terms by sense
editI went through the Category of derived senses and categorized 1138 of the 1412 total senses of all the derived words, and at this point my mind has turned to mush and don't think I'll be finishing this task. If anybody wants to pick up where I left off, I have updated the list of senses and derived words with what I was able to do. For whoever is up to completing (or at least advancing) the task, here are the outstanding uncategorized senses that I scraped. The number after the headword indicates a numbering of the different senses that word can have (starting from 0).
For some starting points: there's probably a sense for coion, coelectron, etc. There are probably multiple math senses here (e.g. relating to a cogroup, relating to a cocone). I suspect there's another sense for biochemistry (see cochaperone) but don't have the biochem background needed to figure it out. Some terms I flagged as interesting and worth consideration were: coterminal, coinquiry, cofermion, colexicographic. Intersets (talk) 05:45, 21 March 2024 (UTC)
- co-amoxiclav 0 (pharmacology) A combination antibiotic containing amoxicillin trihydrate, a beta-lactam antibiotic, and potassium clavulanate, a beta-lactamase inhibitor.
- co-brother 0 One's colleague ("brother" in the same craft, occupation, or society).
- co-cathedral 0 (Christianity) One of a group of churches (usually a pair) which share the function of being the seat of a bishop.
- co-counselling 0 A form of self-help counselling in which each person takes equal turns, usually in pairs, to work on the things in themselves and their lives that they would like to change. This person is mostly or wholly in charge; the other person or people mainly give supportive attention, or suggest ways of working.
- co-edition 0 An edition from several editors.
- co-incineration 0 The incineration of waste using some of the waste as fuel
- co-locate 1 To locate hardware within another company’s facilities.
- co-pattern 1 A pattern that has a related counterpart.
- co-recursive 0 (computing) Describing a definition, particularly of an algorithm, given in terms of its output, rather than its input.
- co-recursively enumerable 0 (computing theory) Describing a set for which there exists a deterministic algorithm that will list all items not in that set.
- co-relation 0 Corresponding relation.
- co-sister 0 colleague ("sister" in the same craft, occupation, or society)
- coaccretion 0 The hypothetical joint formation of Earth and its Moon from the same primordial cloud of material.
- coact 0 (obsolete) To compel, constrain, force.
- coact 1 (obsolete) Forced, constrained, done under compulsion.
- coaction 0 (obsolete) force; compulsion, either in restraining or impelling
- coaction 2 (mathematics) The mapped version of an action to a cogroup.
- coactivation 1 (genetics) A process wherein RNA transcription is increased by a coactivator protein.
- coactivation 0 Activation of two or more things together.
- coactivator 0 (genetics) Any protein that binds to an activator as part of gene transcription
- coactive 0 (obsolete) Serving to compel or constrain; compulsory; restrictive.
- coadapted 0 (genetics) Describing a genetic adaptation that is the result of beneficial interactions between the organisms of a community.
- coafforest 0 (transitive, rare) To convert into, or add to, a forest.
- coagonist 0 (biochemistry) Any of a number of agents that work together as an agonist.
- coagroinfiltration 0 agroinfiltration in order to add two or more genes
- coamoeba 0 (mathematics) The graph of the real part of the logarithms of a polynomial equation under the argument mapping.
- coancestry 0 (biology) A measure of the degree of common ancestry of two (or more) individuals
- coarctate 3 (obsolete) To restrain; to confine.
- coarctate 1 (entomology) (of the pupa of certain flies) Enclosed in a rigid case formed by the larval cuticle or puparium.
- coarctation 1 (obsolete) A confinement to a narrow space.
- coarctation 2 (obsolete) A pressure; that which presses.
- coarray 1 (computing) A variable declared with a codimension.
- coarray 0 (mathematics) The mapping of an array into a cogroup.
- coarray 2 (signal processing) The set of vector differences between the transmit and receive arrays.
- coarticulate 1 (anatomy) To unite to form an articulation (joint)
- coarticulation 0 (anatomy) The formation of a joint by the articulation of two bones.
- coassembly 1 An assembly that has been assembled in stages, often by different people, from subassemblies.
- coassociator 0 An operator that measures nonassociativity of a coproduct.
- coattraction 1 attraction mediated by CoA
- coaugmentation 0 (mathematics) A natural transformation from the identity functor to a certain endofunctor.
- coaxis 0 (mathematics) One of the directional motion vectors perpendicular to a cocone.
- coboundary 0 (mathematics) The image of a submodule of a cochain
- cobrand 0 (transitive) To market (a product or service) under two or more brands together.
- cocatalysis 0 (chemistry) catalysis by means of a cocatalyst
- cochain 0 (mathematics) A cochain complex
- cochaperone 0 (biochemistry) Any protein that regulates the activity of a chaperone.
- cochaperonin 0 (biochemistry) Any of several materials that form complexes with a chaperonin
- coclass 0 (mathematics) The coclass of a finite p-group of order pn is n - c, where c is the class.
- coclass 1 (programming) A class that implements a COM (Common Object Model) interface.
- cocoercive 0 (mathematics, of an operator) Having the property that there exists a constant L ≥ 0 such that for all x and y in the domain, <Ax-Ay, x-y> is greater than or equal to 1/L ||Ax - Ay||2, where Ax is the operator applied to x.
- cocommutative 0 (mathematics) Describing the relationship, in a coalgebra, that is the equivalent of an commutative one
- cocompact 0 (of a group action, or its group) Having a compact quotient space.
- cocomplete 0 (mathematics, of a category) In which all small colimits exist.
- cocompletion 0 (mathematics) A full embedding whose image is a cocomplete category and for which every functor with a cocomplete image has an extension to a cocontinuous functor that is unique up to natural isomorphism.
- cocone 0 (category theory) An object V together with an arrow going from each object of a diagram to V such that for any arrow A in the diagram, the pair of arrows to V which form a triangle with A also commute with it.
- coconsciousness 0 An awareness of things on the edge of one's consciousness that are only brought into focus under certain circumstances.
- cocrystallant 0 Any crystallant that is used in combination with another
- cocycle 0 (cohomology) A cochain that is in the kernel of a coboundary map.
- codecarboxylase 0 (biochemistry) Any active site on a decarboxylase which catalyzes the decarboxylation of D-amino acids
- codeclination 0 polar distance
- codegree 0 (mathematics) The number of edges of a hypergraph that contain all the specified vertices
- codenitrification 0 denitrification (especially the release of nitrogen or nitrous oxide) in which one nitrogen atom originates in the soil and the other from added urea (via urine)
- codepth 0 (commutative algebra, of a finitely generated module over a local ring) The Krull dimension minus the depth.
- coderivative 0 (mathematics) A generalised derivative of a multivalued mapping
- codesign 1 (transitive) To cryptographically sign (software).
- codetermination 0 cooperation between management and workers in making policy
- codifferential 0 (mathematics) The projected differential of an extensor field.
- codifferential 1 (differential geometry) the formal adjoint of the exterior derivative; a differential-geometric version of the divergence operator; the exterior derivative sandwiched between two Hodge star operators with some additional factor(s) that take(s) care of the sign; the Hermitian conjugate of the exterior derivative under the inner product for k-form fields over some manifold M:
- codifferentiation 1 (biology) To differentiate in parallel, as in embryonic or evolutionary development
- codifferentiation 0 (calculus) The act or process of obtaining the codifferential of a function, or a function which obtains the codifferential
- codimension 0 (mathematics) The difference between the dimension of a space and the dimension of a given subspace of the first one.
- codimension 1 (computing) A scope that indicates another variable of the same name and type is assigned to the local memory of each image.
- codirection 2 (uncountable, mathematics) Colinearity.
- codirection 1 (countable, mathematics) An equation for a hyperplane in the tangent space modulo a factor that is a positive constant; cotangent direction.
- codiscovery 0 A discovery made by two or more people, especially such a discovery made independently.
- codomain 0 (mathematics, mathematical analysis) The target set into which a function is formally defined to map elements of its domain; the set denoted Y in the notation f : X → Y.
- coeffective 0 (mathematics) effective within a cohomology
- coelectron 0 (physics, archaic) A positive free ion left behind when other electrons have joined onto other ions and become negative.
- coelectrophoresis 0 Electrophoresis of two samples in parallel.
- coelute 0 (analytical chemistry) Of two or more chemical compounds: to elute from a chromatographic column together.
- coencapsulant 0 Any material that coencapsulates
- coendure 1 (transitive) Alternative form of co-endure
- coenhancement 0 An enhancement that is implemented with another related one
- coenvironmental 0 That shares an environment with another
- coequal 1 An equal person or thing.
- coequalizer 0 (category theory) An arrow whose domain is the codomain of a parallel pair of arrows and which forms part of the colimit of that parallel pair.
- coevaporate 1 The solid residue of a coevaporation
- coevent 0 (mathematics, physics) A particular form of truth function associated with quantum mechanics.
- coexert 0 To exert a combined influence.
- coextensive 2 (logic) Having the same extension—the object or set of objects to which a term refers.
- cofacial 0 (organic chemistry, of a polycyclic aromatic hydrocarbon dimer) oriented with the two faces parallel and their π-orbitals overlapping
- cofactor 4 (mathematics, linear algebra, of a matrix) The signed determinant of the submatrix produced by removing the row and column containing a specified element; primarily used in the recursive definition and calculation of the determinant of a matrix.
- cofactor 3 (mathematics) The result of a number being divided by one of its factors.
- cofactor 0 A contributing factor.
- cofasciculated 0 Formed into a cluster with other types
- cofasciculation 0 A cluster of different fascicules
- cofermion 0 (physics) A composite fermion
- cofiber 0 (mathematics) The coequalizer of a mapping.
- cofilament 1 (category theory) A diagram in a category that is indexed by a directed set.
- cofinal 0 (order theory) Of a subset of a partially ordered set; containing elements at least as late as any given element of the set, relative to the given partial order.
- coflow 0 (graph theory) Any of a series of flows that have a common source and destination
- cofocus 0 (linguistics) An element in a clause, sentence, etc. that acts as the focus, or main element, in combination with another such element.
- coformulation 0 The act or result of packaging more than one drug into one pill.
- coframe 0 (mathematics) A particular system of covectors.
- cofunction 1 (programming) A costatement that takes the form of a function and can accept parameters and return a value.
- cofunctionality 0 (mathematics, computing) The condition of being a cofunction
- cogalois 0 (mathematics) Pertaining to the correspondence between subfields of a radical field extension with subgroups of a cogroup that is a Galois group.
- cogeneration 0 The production of heat and/or power from the waste energy of an industrial process.
- cographic 0 (mathematics) Relating to a cograph
- cogredient 0 (mathematics) Describing two or more variables that undergo the same linear transformations
- cohaversine 0 (trigonometry) the hacoversed sine
- coheight 0 (mathematics) The amplitude of a cosine function
- cohemolysin 0 Any cohemolytic lysin
- cohomology 0 (mathematics) A method of contravariantly associating a family of invariant quotient groups to each algebraic or geometric object of a category, including categories of geometric and algebraic objects.
- cohomology 1 (mathematics) A system of quotient groups associated to a topological space.
- cohousing 0 Housing in which the residents' private space is supplemented by communal facilities such as a shared kitchen and/or dining room.
- cohyponymy 0 (semantics, linguistics) The semantic relation between cohyponyms (coordinate terms); the quality of being cohyponymous (coordinate).
- coideal 0 (mathematics) A particular linear subspace in a coalgebra
- coidentity 0 (category theory) The identity element of a cogroup.
- coindication 0 Any of several things that indicate the same thing, especially any of several symptoms that indicate the same disease
- coinduction 0 (logic) A form of induction that allows some form of reasoning concerning sets that are not well founded; uses a form of relation called a bisimulation
- coinfusion 0 An infusion of two or more materials
- coinhere 0 (intransitive) To inhere or exist together, as in one substance.
- coinitial 0 (mathematics, of a subset) Having an element b for each element a in the superset such that b is less than or equal to a.
- coinquiry 0 Collective inquiry into something
- coinstantial 0 Co-occurring in a unitary instance; being coinstantiated.
- cointegrate 1 The intermediate molecule which donor DNA and target DNA covalently bind during the formation of a Holliday junction.
- cointegrate 0 (statistics, intransitive) To exhibit cointegration.
- cointegrated 0 (mathematics) Describing time series subject to cointegration
- cointegration 0 (mathematics) The condition of two non-stationary time series whose linear combination is stationary
- cointension 0 The condition of being of equal in intensity; applied to relations.
- cointersection 0 (mathematics) A family of behavioural equivalences which factors through all elements of a second specified family of behavioural equivalences and for which any morphism that factors through the second family of behavioural equivalences also factors through its elements.
- cointervention 0 (medicine) Any additional procedure applied to members of either the study group or the control group in a randomized, controlled trial
- coinvariant 1 (mathematics) An invariant within a cohomology
- coinverse 0 (mathematics) A coinversion.
- coinversion 0 (category theory) The inversion operation of a cogroup object. A coinversion must satisfy the dual versions of the axioms for group objects.
- coion 0 (chemistry) Any ion of the same charge as another in a solution or other electrochemical system.
- coisogenic 0 (genetics) Genetically identical to an inbred strain except for a mutation at a specific locus.
- cokernel 0 (category theory) For a category with zero morphisms: the coequalizer between a given morphism and the zero morphism which is parallel to that given morphism.
- cokriging 0 (mathematics) A multivariate form of kriging
- colabeled 0 labeled with cytochrome oxidase
- colabeling 0 (sciences) labeling with cytochrome oxidase
- co lexicographic 0 Being or relating to a variant of lexicographic order in which finite sequences are read from right to left instead of from left to right.
- coligand 0 (inorganic chemistry) Either of two or more different ligands in a compound
- colimit 0 (category theory) The cocone of a diagram through which any other cocone of that same diagram can factor uniquely.
- colimiting 0 (mathematics) That forms a colimit
- coliposome 0 A liposome enclosed by two different materials
- cologarithm 0 (mathematics) The logarithm of the reciprocal of a number (equal to the negative of the original logarithm)
- coloop 0 (combinatorics) An element in a matroid that belongs to no circuit or (equivalently) belongs to every basis.
- comagnetometer 0 (physics) A sensitive magnetometer that measures the nuclear spin precession of a material containing two different nuclear spins; they may be used as very sensitive gyroscopes
- comajor 0 (US, Canada, Australia and New Zealand) One of multiple main areas of study of a student working toward a degree at an institute of tertiary education.
- comaker 1 (business) A company that cooperates with its buyer or supplier for the benefit of both.
- comaker 0 (finance) A person who endorses a promissory note.
- comarginal 0 parallel to (concentric with) the margin
- comarket 0 (transitive) To market (a pharmaceutical product) under different names in different regions.
- comatrix 0 (mathematics) Adjoint; The transposed matrix of the cofactors of the entries of a matrix.
- comeronymy 0 (semantics, linguistics) The semantic relation between comeronyms (names for parts of a whole); the quality of being comeronymous.
- cominuscule 0 (mathematics) Pertaining to an associated simple root that occurs with coefficient 1 in the highest root of a subgroup.
- comix 1 (slang) Comics, especially those that are self-published and deal with offbeat or transgressive topics
- comonotonic 0 (probability theory) Of a random vector, having components that can be represented as increasing functions of a single random variable.
- comorbidity 2 (medicine, uncountable) The effect of such additional disorders or diseases.
- comorphism 0 (mathematics) A mapping associated with a morphism that, when applied to every member of the morphism, results in the same value as the morphism applied to the image of every member.
- comultiplication 0 (mathematics) The equivalent of multiplication in a coalgebra.
- conodal 0 (chemistry) Describing the straight line (tie-line) connecting compositions of independent coexisting phases in equilibrium on a phase diagram.
- conormal 0 (mathematics) Whose corresponding vector field (covector) is normal
- coobservability 0 (computing theory) The condition of being coobservable
- coobservable 0 (computing theory) Of a behaviour in a distributed system: such that decisions can be made by each site based on what it observes, without the need for input from other sites.
- cooperad 0 (mathematics) One of a set of composed operads
- cooperation 2 Association for mutual benefit, such as for purposes of production or purchase.
- cooperation 0 (usually uncountable) The act of cooperating.
- cooperation 1 Active help from a person, organization, etc., such as an orderly sharing of space or resources.
- coorientable 0 (mathematics) orientable in a codimension
- coöriginal 0 (philosophy) Existing together ab initio; equiprimordial.
- coossification 0 ossification between two structures
- copackage 0 (transitive) To package (products) together, in the same container.
- copartnership 1 A partnership or firm.
- copatient 0 A patient in the same institution.
- copayment 0 (US) A fixed fee paid by subscribers to a medical insurance scheme for each treatment or service in addition to a membership fee.
- copen 0 (transitive) To cowrite.
- cophasing 0 (astronomy) The active control of each segment of a segmented telescope in order to improve resolution
- copigment 0 An often colourless compound that affects the colour of a plant flower pigment.
- copigmentation 0 pigmentation involving two (types of) pigment (or a pigment and a copigment)
- copositive 0 (mathematics) Of a real matrix A: such that
- coprecipitation 0 (chemistry) The precipitation of an otherwise soluble substance through the precipitation of another substance.
- copredication 0 (grammar) The act of making two (sometimes incompatible) things the subject/predicate of a proposition.
- coprimary 0 Any of several cases of an infectious disease that occur in a group in a relatively short time.
- coprime 2 (algebra, by extension, of two or more polynomials) Whose greatest common divisor is a nonzero constant (i.e., polynomial of degree 0).
- coprime 1 (number theory, of a positive integer) Having no positive integer factors, aside from 1, in common with one or more specified other positive integers.
- coprime 0 (number theory, of two or more positive integers) Having no positive integer factors in common, aside from 1.
- coprime 3 (ring theory, by extension) (of two or more ideals of a ring) Whose sum is the whole ring; (of two or more elements of a ring) generating the whole ring.
- coprocessor 0 (computer hardware) An additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (graphics processing unit).
- coproduct 1 (mathematics) The colimit of two (or more) objects, without regard to any morphisms between them.
- coproduction 0 A production in which two or more people, groups or companies work together.
- copromote 0 (transitive) To promote (a pharmaceutical product) under the same name and in the same territory by more than one company in order to maximize market share.
- copublish 0 (transitive, music business) To have credit as a publisher of (a work published by another).
- coquaternion 0 (mathematics) Any of a group of elements of a type of four-dimensional vector space
- coquaternionic 0 (mathematics) Of or pertaining to coquaternions
- coradical 0 (mathematics) Synonym of socle
- corank 1 (mathematics) The dimension of the cokernel of a linear transformation of a vector space
- corank 0 (mathematics) The dimension of the left nullspace of a matrix.
- corank 2 (mathematics) The number of elements of a matroid minus its rank.
- coreceptor 0 (molecular biology) A cell surface receptor that binds a signaling molecule in addition to a primary receptor in order to facilitate ligand recognition and initiate a biological process, such as entry of a pathogen into a host cell
- coregionalization 0 (mathematics) covariance over a region
- coregister 0 To register (an image) with respect to another
- corepresentation 0 (mathematics) A comodule.
- corepressor 0 (genetics) Any substance that reacts with a genetic repressor in order to activate it and decrease gene expression
- coresidual 0 (mathematics) Any of four points on the common chord of a cubic curve intercepted by a cone
- corespondent 0 (law) One of two or more persons against whom a lawsuit is made; but especially a person charged with committing adultery with the defendant in a divorce proceeding.
- coring 1 The production of a core by means of drilling
- coroutine 0 (programming) A piece of code that performs a task, and that can be passed new input and return output more than once.
- corradial 0 Radiating to or from the same point.
- correspond 0 (intransitive, constructed with to) To be equivalent or similar in character, quantity, quality, origin, structure, function etc.
- correspond 1 (intransitive, constructed with with) to exchange messages, especially by postal letter, over a period of time.
- correspond 2 (obsolete) To have sex with.
- cosecant 0 (trigonometry) In a right triangle, the reciprocal of the sine of an angle. Symbols: cosec, csc
- cosection 0 (mathematics) The left inverse of a morphism.
- cosegregating 0 (genetics) Describing closely linked genes that are inherited together.
- cosegregation 0 (genetics) The transmission of two or more linked genes on a chromosome to the same daughter cell leading to the inheritance by the offspring of these genes together.
- coset 0 (algebra, group theory) The set that results from applying a group's binary operation with a given fixed element of the group on each element of a given subgroup.
- cosign 1 (informal, transitive) To agree with or endorse.
- cosignal 0 (biology) Any of a group of coordinated signals
- cosine 0 (trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos
- cospeciation 0 An event that occurs when a symbiotic relationship between two organisms leads to a change creating a new species in the process.
- cospecies 0 Shared by two or more species
- cospectral 0 (mathematics) isospectral
- cosphere 0 (chemistry) A cybotactic region of a solution.
- costate 1 (botany) Having one or more longitudinal ribs.
- costate 0 Having ribs, or the appearance of ribs.
- costate 2 (international law) A state in alliance with another state.
- costate 3 (mathematics, physics) An equation or variable related to the state equation of an optimal control problem in a dynamical system.
- costimulate 0 (transitive) To take part in the co-stimulation of a process.
- costimulus 0 Any of two or more stimuli that operate together
- cosubstitution 0 Any of a series of related substitutions
- cosurfactant 0 A surfactant acting in tandem with another surfactant to enhance its properties.
- cosymplectic 0 (mathematics) Symplectic and having a closed contact form as well.
- cotangent 0 (trigonometry) In a right triangle, the reciprocal of the tangent of an angle. Symbols: cot, ctg, or ctn
- cotenant 0 (property law) A person who shares a tenancy with another; a co-owner of an interest in property.
- coterminal 1 Coterminous: having the same scope or range, or meeting at the ends.
- coterminal 3 (category theory) Describing an object in a category, such that there is precisely one morphism that maps that object to every object in the category.
- coterminal 0 (aviation) One of a number of terminals or airports which are interchangeable for the purposes of ticketing.
- coterminal 2 (geometry, of two angles) Differing only by a whole number of complete circles.
- cotherapist 0 Any of two or more therapists working together to help a patient.
- cotidal 0 Describing the locations (and of related lines on a chart) linking places where tides occur at the same time of day
- cotillage 1 the land so tilled
- cotorsion 0 (mathematics) Of an abelian group: whose every extension by a torsion-free group splits.
- cototient 0 (mathematics) The value of n – φ(n), i.e. the number of positive integers less than or equal to n that are divisible by at least one prime that also divides n.
- cotransfer 0 (genetics) The transfer of linked genes.
- cotransfer 1 (genetics) To transfer linked genes.
- cotree 0 (mathematics) A tree that defines a cograph, its leaves corresponding to the nodes of the cograph.
- cotrimoxazole 0 A sulfonamide antibacterial combination of trimethoprim and sulfamethoxazole, in the ratio of 1 to 5, used in the treatment of a variety of bacterial infections.
- cotype 1 (functional analysis) A Banach space
- cotype 0 (taxonomy, dated) A syntype or paratype.
- counion 0 (mathematics) The join or union of all sets that meet a specified condition.
- counion 2 (Christianity) Communion.
- counion 1 (used attributively) Others in a trade union.
- counit 0 (mathematics) In an adjunction, a natural transformation from the composition of the left adjoint functor with the right adjoint functor to the identity functor of the domain of the right adjoint functor.
- covalence 1 (chemistry) The number of electrons that a particular atom can share (and therefore the number of covalent bonds it can form)
- covalence 0 (chemistry) A form of valence in which electrons are shared between participating atoms
- covalent 0 (chemistry) Containing or characterized by a covalent bond.
- covariable 1 (statistics) Possibly predictive of the outcome under study.
- covariance 1 (object-oriented programming) The conversion of data types from wider to narrower in certain situations.
- covariant 1 (object-oriented programming) Using or relating to covariance.
- covariant 2 (algebra) A bihomogeneous polynomial in x, y, ... and the coefficients of some homogeneous form in x, y, ... that is invariant under some group of linear transformations.
- covariant 3 (algebra) The variety defined by a covariant.
- covariant 0 (category theory) (Of a functor) which preserves composition.
- covariate 0 (statistics) A variable that is possibly predictive of the outcome under study.
- covector 0 (mathematics) A linear map from a vector space to its field of scalars
- coventure 0 An international coproduction set up in the absence of any official treaty between the countries.
- coventurer 0 Any of the parties involved in producing a coventure.
- coverb 0 (grammar) Any of a class of words in various languages including Chinese and Hungarian whose function is analogous to the cases, prepositions, and postpositions of other languages.
- covertex 0 (geometry) A point of intersection between an ellipse and its minor axis.
- covincular 0 (mathematics) Having a vincular inverse
- covolume 0 (physical chemistry) The part of a volume (typically of a gas) available for the oscillation and translation of the material therein
- homogeneous coordinate 0 (geometry) Any one of a set of n + 1 coordinates which non-uniquely identify a point in an n-dimensional projective space; when such coordinates are all multiplied by the same scalar, then the set of them still identifies the same point.