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See also: Helix, hélix, and hèlix




From Latin helix, from Ancient Greek ἕλιξ (hélix, something twisted or spiral).


  • IPA(key): /ˈhiːlɪks/
  • (file)
  • Rhymes: -iːlɪks


helix (plural helixes or helices)

  1. (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.
  2. (architecture) A small volute under the abacus of a Corinthian capital.
  3. (anatomy) The incurved rim of the external ear.
    helix piercing
  4. An upside down midair 360° spin in playboating.


  • (curve): spiral (not in technical use)

Derived terms[edit]

Related terms[edit]



helix (third-person singular simple present helixes, present participle helixing, simple past and past participle helixed)

  1. 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[edit]



Borrowed from Latin helix, from Ancient Greek ἕλιξ (hélix).


  • IPA(key): /ˈɦeː.lɪks/
  • (file)
  • Hyphenation: he‧lix


helix f (plural helices or helixen)

  1. helix
    Synonym: schroeflijn



Borrowed from Ancient Greek ἕλιξ (hélix).



helix f (genitive helicis); third declension

  1. a kind of ivy
  2. a kind of willow
  3. a whorl, a small ornament on the capital of Corinthian columns


Third-declension noun.

Case Singular Plural
Nominative helix helicēs
Genitive helicis helicum
Dative helicī helicibus
Accusative helicem helicēs
Ablative helice helicibus
Vocative helix helicēs


  • 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