quadric, quadric surface
(noun) a curve or surface whose equation (in Cartesian coordinates) is of the second degree
Source: WordNet® 3.1
quadric (plural quadrics)
(mathematics) A surface whose shape is defined in terms of a quadratic equation
quadric (not comparable)
(mathematics) Of or relating to the second degree; quadratic.
• acquir'd
Source: Wiktionary
Quad"ric, a. (Math.)
Definition: Of or pertaining to the second degree.
Quad"ric, n. (a) (Alg.) A quantic of the second degree. See Quantic. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 May 2025
(adjective) not tried or tested by experience; “unseasoned artillery volunteers”; “still untested in battle”; “an illustrator untried in mural painting”; “a young hand at plowing”
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.
