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1. Oxford American Dictionary

   helix

   • IPA[ˈhēliks]

   美式

   • n.
     an object having a three-dimensional shape like that of a wire wound uniformly in a single layer around a cylinder or cone, as in a corkscrew or spiral staircase.；a curve on a conical or cylindrical surface that would become a straight line if the surface were unrolled into a plane.

   • noun: helix, plural noun: helices

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. an object having a three-dimensional shape like that of a wire wound uniformly in a single layer around a cylinder or cone, as in a corkscrew or spiral staircase.
   • ▪ a curve on a conical or cylindrical surface that would become a straight line if the surface were unrolled into a plane.
   • ▪ an extended spiral chain of atoms in a protein, nucleic acid, or other polymeric molecule.
   • ▪ a spiral ornament.
   • ▪ the rim of the external ear.

   helices

   • plural form of helix

   Oxford American Dictionary

   helices

   • plural form of helix

   Oxford Dictionary

   double helix

   • n.
     a pair of parallel helices intertwined about a common axis, especially that in the structure of ...

   Oxford Dictionary

   double helix

   • n.
     a pair of parallel helices intertwined about a common axis, especially that in the structure of ...

   Oxford American Dictionary

3. • 更多解釋

   helix

   • IPA[ˈhiːlɪks]

   英式

   • n.
     an object having a three-dimensional shape like that of a wire wound uniformly in a single ...

   Oxford Dictionary