Helix He"lix, n.; pl. L. {Helices}, E. {Helixes}. [L. helix, Gr. ?, ?, fr. ? to turn round; cf. L. volvere, and E. volute, voluble.] 1. (Geom.) A nonplane curve whose tangents are all equally inclined to a given plane. The common helix is the curve formed by the thread of the ordinary screw. It is distinguished from the spiral, all the convolutions of which are in the plane. [1913 Webster]

2. (Arch.) A caulicule or little volute under the abacus of the Corinthian capital. [1913 Webster]

3. (Anat.) The incurved margin or rim of the external ear. See Illust. of {Ear}. [1913 Webster]

4. (Zo["o]l.) A genus of land snails, including a large number of species. [1913 Webster]

Note: The genus originally included nearly all shells, but is now greatly restricted. See {Snail}, {Pulmonifera}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • HELICES — Festo sulci aquarii sunt, per quos aqua collecta educitur e liris; Vitruv. spiramina, Graecis ἀναπνοαὶ: aliter Elices, vide Salmas. ad Vopilc. in Probo, et infra in voce, Nares canalis. Sed et helix, hederae genus, vide ubi de Hedera …   Hofmann J. Lexicon universale

  • helices — [hel′i sēz΄] n. alt. pl. of HELIX …   English World dictionary

  • Helices — Dieser Artikel behandelt die Helix als spiralförmige Struktur, für weitere Bedeutungen siehe Helix (Begriffsklärung). Helix (grün) und hyperbolische Spirale (schwarz) Die Helix (Plural Helices, auch Schraube, Schraubenlinie, zylindrische Spirale… …   Deutsch Wikipedia

  • helices — Plural of helix. * * * helices pl of HELIX …   Medical dictionary

  • helices — pl. of HELIX. * * * plural of ↑helix * * * helices (ˈhɛlɪsiːz) pl. of helix …   Useful english dictionary

  • helices — /hel euh seez /, n. a pl. of helix. * * * …   Universalium

  • Helices — He|li|ces [...tse:s]: Plur. von ↑Helix …   Das große Fremdwörterbuch

  • helices — he·lix || hɪːlɪks n. spiral, coil; object shaped like a spiral …   English contemporary dictionary

  • helices — plural form of helix …   English new terms dictionary

  • helices — hel•i•ces [[t]ˈhɛl əˌsiz[/t]] n. math. a pl. of helix …   From formal English to slang

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