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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 he·li·coid /ˈhɛləˌkɔɪd, ˈhi-/
 (a.)螺旋狀的,蝸牛殼狀的,迴轉式的螺旋體,螺旋面

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 he·li·coid /ˌhɛləˈkɔɪdḷ, ˌhɪlə-/ 形容詞

From: Taiwan MOE computer dictionary

 helicoid
 螺旋面

From: Webster's Revised Unabridged Dictionary (1913)

 Hel·i·coid a.
 1. Spiral; curved, like the spire of a univalve shell.
 2. Zool. Shaped like a snail shell; pertaining to the Helicidae, or Snail family.
 Helicoid parabola Math., the parabolic spiral.

From: Webster's Revised Unabridged Dictionary (1913)

 Hel·i·coid, n. Geom. A warped surface which may be generated by a straight line moving in such a manner that every point of the line shall have a uniform motion in the direction of another fixed straight line, and at the same time a uniform angular motion about it.