convex
English edit
Etymology edit
Borrowed from Middle French convexe, from Latin convexus (“arched”).
Pronunciation edit
- (Received Pronunciation) IPA(key): /ˈkɒn.vɛks/, /kɒnˈvɛks/, /kənˈvɛks/
Audio (Southern England) (file) - (General American) IPA(key): /ˈkɑn.vɛks/, /kɑnˈvɛks/, /kənˈvɛks/
Adjective edit
convex (comparative more convex, superlative most convex)
- Curved or bowed outward like the outside of a bowl, circle, or sphere.
- 1837, William Whewell, “Earliest Stages of Astronomy”, in History of the Inductive Sciences, from the Earliest to the Present Times. […], volume I, London: John W[illiam] Parker, […]; Cambridge, Cambridgeshire: J. and J. J. Deighton, →OCLC, book III (History of Greek Astronomy), section 9 (The Globular Form of the Earth), page 150:
- [D]rops of water naturally form themselves into figures with a convex surface; […]
- (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.
- (geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
- (mathematics, not comparable, of a set in Euclidean space) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
Antonyms edit
Derived terms edit
- biconvex
- concavo-convex
- convex combination
- convexedly
- convex envelope
- convex function
- convex hull
- convexification
- convexify
- convexity
- convex lens
- convexly
- convexness
- convexoconcave
- convexoconvex
- convexoplane
- convex set
- double-convex
- equiconvex
- hyperconvex
- nonconvex
- plano-convex
- planoconvex
- polyconvex
- pseudoconvex
- quasiconvex
- semiconvex
- subconvex
Translations edit
curved or bowed outward like the outside of a bowl, circle, or sphere
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Noun edit
convex (plural convexes)
- Any convex body or surface.
- 1714, Royal Progress, Thomas Tickell:
- Half heaven's convex glitters with the flame.
- (gambling) A playing card made convex for use in cheating.
- Coordinate term: concave
- (gambling) A small convex mirror used to cheat by observing other players' cards.
- Synonym: shiner
- 2019, John Philip Quinn, Fools of Fortune; or, Gambling and Gamblers:
- Of all the devices for defrauding at poker, the “shiner,” or “convex” […] Modern convexes are also considerably larger than those of former days.
References edit
- John A. Simpson and Edmund S. C. Weiner, editors (1989), “convex”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN.
Catalan edit
Etymology edit
Pronunciation edit
Adjective edit
convex (feminine convexa, masculine plural convexos, feminine plural convexes)
Related terms edit
Further reading edit
- “convex” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
Dutch edit
Etymology edit
Borrowed from French convexe, from Latin convexus.
Pronunciation edit
Adjective edit
convex (comparative convexer, superlative meest convex or convext)
Inflection edit
Inflection of convex | ||||
---|---|---|---|---|
uninflected | convex | |||
inflected | convexe | |||
comparative | convexer | |||
positive | comparative | superlative | ||
predicative/adverbial | convex | convexer | het convext het convexte | |
indefinite | m./f. sing. | convexe | convexere | convexte |
n. sing. | convex | convexer | convexte | |
plural | convexe | convexere | convexte | |
definite | convexe | convexere | convexte | |
partitive | convex | convexers | — |
Derived terms edit
Descendants edit
- → Indonesian: konvèks
Romanian edit
Etymology edit
Borrowed from French convexe, from Latin convexus.
Adjective edit
convex m or n (feminine singular convexă, masculine plural convecși, feminine and neuter plural convexe)
Declension edit
Declension of convex
singular | plural | ||||||
---|---|---|---|---|---|---|---|
masculine | neuter | feminine | masculine | neuter | feminine | ||
nominative/ accusative |
indefinite | convex | convexă | convecși | convexe | ||
definite | convexul | convexa | convecșii | convexele | |||
genitive/ dative |
indefinite | convex | convexe | convecși | convexe | ||
definite | convexului | convexei | convecșilor | convexelor |