Helicine
helicine hel·i·cine (hěl’ĭ-sēn’, hē’lĭ-)
adj.
Of or relating to a helix; helical.
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- Helicity
/hɪˈlɪsɪtɪ/ noun (pl) -ties 1. (physics) the projection of the spin of an elementary particle on the direction of propagation helicity (hə-lĭs’ĭ-tē, hē’) The projection of a particle’s spin vector in the direction of its momentum vector, being positive if it points in the same direction, and negative if it points in the opposite direction. […]
- Helicline
[hel-i-klahyn] /ˈhɛl ɪˌklaɪn/ noun 1. a curved ramp. /ˈhɛlɪˌklaɪn/ noun 1. (architect) a spiral-shaped ramp
- Helico-
1. a combining form meaning “spiral”; used with this meaning and as a combining form of in the formation of compound words: helicograph. combining form 1. spiral or helical: helicograph
- Helicograph
[hel-i-koh-graf, -grahf] /ˈhɛl ɪ koʊˌgræf, -ˌgrɑf/ noun 1. an instrument for drawing helices. /ˈhɛlɪkəʊˌɡrɑːf; -ˌɡræf/ noun 1. an instrument for drawing spiral curves
- Helicoid
[hel-i-koid, hee-li-] /ˈhɛl ɪˌkɔɪd, ˈhi lɪ-/ adjective 1. coiled or curving like a spiral. noun 2. Geometry. a warped surface generated by a straight line moving so as to cut or touch a fixed helix. /ˈhɛlɪˌkɔɪd/ adjective 1. (biology) shaped like a spiral: a helicoid shell noun 2. (geometry) any surface resembling that of a […]