Definitions
helix Tweet Definition of helix Like Definition of helix on Facebook
noun (helixes, pl2=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.
proper noun Helix
  1. (zoology) A genus of land snail containing many species.
Etymology: From helixLatin, helix < Ancient Greek (polytonic, á") (helix) "something twisted or spiral"


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