helicoid (comparative more helicoid, superlative most helicoid)
Having the form of a flattened helix
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
31 January 2025
(noun) the act of dispersing or diffusing something; “the dispersion of the troops”; “the diffusion of knowledge”
The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.
