HELICOIDS
Noun
helicoids
plural of helicoid
Source: Wiktionary
HELICOID
Hel"i*coid, a. Etym: [Gr. hélicoïde. See Helix.]
1. Spiral; curved, like the spire of a univalve shell.
2. (Zoöl.)
Definition: Shaped like a snail shell; pertaining to the Helicidæ, or Snail family. Helicoid parabola (Math.), the parabolic spiral.
Hel"i*coid, n. (Geom.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
3 July 2025
SENSE
(noun) the faculty through which the external world is apprehended; “in the dark he had to depend on touch and on his senses of smell and hearing”
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