helix
See also: Helix, hélix, and hèlix
English
Etymology
From Latin helix, from Ancient Greek ἕλιξ (hélix, “something twisted or spiral”).
Pronunciation
- IPA(key): /ˈhiːlɪks/
Audio (US) (file) - Rhymes: -iːlɪks
Noun
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
- (curve): spiral (not in technical use)
Derived terms
Derived terms
- alpha helix
- double helix
- helical
- helically
- hemihelix
Related terms
- helicopter
Translations
curve
|
in architecture
|
of the ear
|
Verb
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.
-
See also
- left-handed
- right-handed
- spiral
Dutch
Etymology
Borrowed from Latin helix, from Ancient Greek ἕλιξ (hélix).
Pronunciation
- IPA(key): /ˈɦeː.lɪks/
Audio (file) - Hyphenation: he‧lix
Noun
helix f (plural helices or helixen)
- helix
- Synonym: schroeflijn
Latin
Etymology
Borrowed from Ancient Greek ἕλιξ (hélix).
Pronunciation
- (Classical) IPA(key): /ˈhe.liks/, [ˈhɛlʲɪks̠]
- (Ecclesiastical) IPA(key): /ˈe.liks/, [ˈɛːliks]
Noun
helix f (genitive helicis); third declension
- a kind of ivy
- a kind of willow
- a whorl, a small ornament on the capital of Corinthian columns
Declension
Third-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | helix | helicēs |
Genitive | helicis | helicum |
Dative | helicī | helicibus |
Accusative | helicem | helicēs |
Ablative | helice | helicibus |
Vocative | helix | helicēs |
References
- “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
Etymology
Borrowed from French hélix.
Noun
helix n (plural helixuri)
- helix
Declension
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 |