helix
English edit
Etymology edit
From Latin helix, from Ancient Greek ἕλιξ (hélix, “something twisted or spiral”).
Pronunciation edit
Noun edit
helix (plural helixes or helices)
- (mathematics) A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.
- (architecture) A small volute under the abacus of a Corinthian capital.
- (anatomy) The incurved rim of the external ear.
- helix piercing
- An upside down midair 360° spin in playboating.
Synonyms edit
- (curve): spiral (not in technical use)
Derived terms edit
Derived terms
Related terms edit
Translations edit
curve
|
in architecture
of the ear
Verb edit
helix (third-person singular simple present helixes, present participle helixing, simple past and past participle helixed)
- To form or cause to form a helix.
- 1953, Division of Metrology Technical Paper - Issues 1-7, page 25:
- A large positive inclination gives a chip which will helix out of the space between the face mill and the workpiece.
- 1967, Aviation Week & Space Technology - Volume 87, page 295:
- When the shaft is unsupported, the large torque tends to helix the inner core, and if the casing is not stiff enough, it will helix the casing also.
- 1997, Physical Review: Statistical physics, plasmas, fluids, and related interdisciplinary topics:
- The decrease in d enhances the probability that remaining SDLs will helix, leading to an outward traveling wave of helixing and a jump in 5d.
- 2010, Phillip Beach, Muscles and Meridians E-Book: The Manipulation of Shape, →ISBN, page 95:
- Conceptually, this field will helix up from the genital tip, here modelled as the caudal singularity of the left and right domains of the H-CFs.
Derived terms edit
See also edit
Dutch edit
Etymology edit
Borrowed from Latin helix, from Ancient Greek ἕλιξ (hélix).
Pronunciation edit
Noun edit
helix f (plural helices or helixen)
- helix
- Synonym: schroeflijn
Latin edit
Etymology edit
Borrowed from Ancient Greek ἕλιξ (hélix).
Pronunciation edit
- (Classical) IPA(key): /ˈhe.liks/, [ˈhɛlʲɪks̠]
- (modern Italianate Ecclesiastical) IPA(key): /ˈe.liks/, [ˈɛːliks]
Noun edit
helix f (genitive helicis); third declension
Declension edit
Third-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | helix | helicēs |
Genitive | helicis | helicum |
Dative | helicī | helicibus |
Accusative | helicem | helicēs |
Ablative | helice | helicibus |
Vocative | helix | helicēs |
Descendants edit
References edit
- “helix”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- helix in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Romanian edit
Etymology edit
Noun edit
helix n (plural helixuri)
Declension edit
Declension of helix
singular | plural | |||
---|---|---|---|---|
indefinite articulation | definite articulation | indefinite articulation | definite articulation | |
nominative/accusative | (un) helix | helixul | (niște) helixuri | helixurile |
genitive/dative | (unui) helix | helixului | (unor) helixuri | helixurilor |
vocative | helixule | helixurilor |