hel.i.coid
adj.（形容词）Arranged in or having the approximate shape of a flattened coil or spiral.具螺纹的，具近似螺纹的：按近似平展的盘线或螺旋线形状排列的或具有近似平展的盘线或螺旋线形状的n.Mathematics （名词）【数学】 A surface in the form of a coil or screw.螺旋面：具有线盘或螺丝形状的表面
来源：Greek helikoeidôs 希腊语 helikoeidôs helix helik- [spiral] * see helix helix helik- [ 螺旋的] *参见 helix-oeidôs [-oid] -oeidôs [后缀，表.如，似.]
