Helicoid Definition

hĕlĭ-koid, hēlĭ-
adjective
Shaped like, or coiled in the form of, a spiral, as the shell of a snail or certain inflorescences.
Webster's New World
Arranged in or having the approximate shape of a flattened coil or spiral.
American Heritage
noun
A surface generated by the rotation of a plane or twisted curve about a fixed line so that each point of the curve traces out a circular helix with the fixed line as axis.
Webster's New World

Other Word Forms of Helicoid

Noun

Singular:
helicoid
Plural:
helicoids

Origin of Helicoid

  • Greek helikoeidēs helix helik- spiral helix -oeidēs -oid

    From American Heritage Dictionary of the English Language, 5th Edition

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helicoid