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helix

  • noun
  • /ˈhiːlɪks/

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.

Other meanings

  1. A small volute under the abacus of a Corinthian capital.

  2. The incurved rim of the external ear.

    “helix piercing”

Synonyms

  • spiral

Related words

  • alpha helix
  • anthelix
  • antihelix
  • Boerdijk-Coxeter helix
  • double helix
  • helical
  • helically
  • helicase
  • heliciform
  • helicin
  • helixlike
  • hemihelix

Word history

From Ancient Greek "ἕλιξ" (something twisted or spiral).

Where this comes from

This definition is adapted from “helix” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.