[hel-i-koid, hee-li-] /ˈhɛl ɪˌkɔɪd, ˈhi lɪ-/
coiled or curving like a spiral.
Geometry. a warped surface generated by a straight line moving so as to cut or touch a fixed helix.
(biology) shaped like a spiral: a helicoid shell
(geometry) any surface resembling that of a screw thread
helicoid hel·i·coid (hěl’ĭ-koid’, hē’lĭ-)
Arranged in or having the general shape of a flattened coil or spiral.
Adjective Arranged in or having the approximate shape of a flattened coil or spiral curve.
Noun A surface in the form of a coil or screw. A helicoid is generated mathematically by rotating a plane or twisted curve about an axis at a fixed rate and simultaneously translating it in the direction of the line of axis, also at a fixed rate.
noun, Botany. 1. an inflorescence, or cyme, in which each flowering branch gives rise to one lateral branch that is coiled snail-like and then expanded.
[hel-i-kon, -kuh n] /ˈhɛl ɪˌkɒn, -kən/ noun 1. a coiled tuba carried over the shoulder and used especially in military bands. [hel-i-kon, -kuh n] /ˈhɛl ɪˌkɒn, -kən/ noun 1. a mountain in S central Greece. 5738 feet (1749 meters): regarded by ancient Greeks as the abode of Apollo and the Muses. /ˈhɛlɪkən/ noun 1. a […]
- Helicopod gait
helicopod gait hel·i·co·pod gait (hěl’ĭ-kō-pŏd’) n. A gait seen in some hysterical disorders, in which the feet describe half circles. Also called helicopodia.
[hel-i-kopt, hee-li-] /ˈhɛl ɪˌkɒpt, ˈhi lɪ-/ verb (used with or without object) 1. .