HELICOID

Etymology

Adjective

helicoid (comparative more helicoid, superlative most helicoid)

Having the form of a flattened helix

Noun

helicoid (plural helicoids)

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

Source: Wiktionary


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



RESET




Word of the Day

22 November 2024

SHEET

(noun) (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind


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Coffee Trivia

The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.

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