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Webster 1913 Edition


Helicoid

Hel′i-coid

,
Adj.
[Gr. [GREEK]; [GREEK], [GREEK], spiral + [GREEK] shape: cf. F.
hélicoïde
. See
Helix
.]
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.

Hel′i-coid

,
Noun.
(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.

Definition 2024


helicoid

helicoid

English

Adjective

helicoid (comparative more helicoid, superlative most helicoid)

  1. Having the form of a flattened helix

Translations

Noun

helicoid (plural helicoids)

  1. (mathematics) A minimal surface in the form of a flattened helix.

Translations