helix
helix
[ˈhiːlɪks]
(pl. helices ˈhiːlɪsiːz, ˈhɛl-)
[ˈhiːlɪks]
(pl. helices ˈhiːlɪsiːz, ˈhɛl-)
- 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
螺旋，螺旋状物
■(Geometry)a curve on a conical or cylindrical surface which would become a straight line if the surface were unrolled into a plane
(几何)螺旋线
■(Biochemistry)an extended spiral chain of atoms in a protein, nucleic acid, or other polymeric molecule
(生化)螺旋形链
■(Architecture)a spiral ornament
(建筑)螺旋饰
■(Anatomy)the rim of the external ear
(剖)耳轮
- mid 16th cent. (in the architectural sense 'spiral ornament'): via Latin from Greek
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