搜尋結果
helix
- IPA[ˈhiːlɪks]
英式
- 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 which would become a straight line if the surface were unrolled into a plane.
noun: helix, plural noun: helices
- 釋義
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 which 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.
- 2. the rim of the external ear.