helix

play
noun he·lix \ˈhē-liks\

Definition of helix

plural

helices

play \ˈhe-lə-ˌsēz, ˈhē-\ also

helixes

play \ˈhē-lik-səz\
  1. 1 :  something spiral in form: such asa :  an ornamental voluteb :  a coil formed by winding wire around a uniform tube

  2. 2 :  the incurved rim of the external ear

  3. 3 :  a curve traced on a cylinder or cone by the rotation of a point crossing its right sections at a constant oblique angle; broadly :  spiral 1b

Recent Examples of helix from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'helix'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of helix

Latin, from Greek; akin to Greek eilyein to roll, wrap — more at voluble


HELIX Defined for English Language Learners

helix

play
noun

Definition of helix for English Language Learners

  • : the shape formed by a line that curves around and along a central line


Medical Dictionary

helix

play
noun he·lix \ˈhē-liks\

Medical Definition of helix

plural

helices

\ˈhel-ə-ˌsēz, ˈhē-lə-\play play also

helixes

\ˈhē-lik-səz\play
  1. 1:  the incurved rim of the external ear

  2. 2:  a curve traced on a cylinder by the rotation of a point crossing its right sections at a constant oblique angle; broadly :  spiral 2—see alpha-helix, double helix


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