INDICATRIX

In`di*ca"trix, n. Etym: [NL.] (Geom. of Three Dimensions)

Definition: A certain conic section supposed to be drawn in the tangent plane to any surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to the intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hyperbola when the curvature is anticlastic.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

10 April 2025

EXTINGUISHABLE

(adjective) capable of being extinguished or killed; “an extinguishable fire”; “hope too is extinguishable”


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Coffee Trivia

According to Guinness World Records, the largest collection of coffee pots belongs to Robert Dahl (Germany) and consists of 27,390 coffee pots as of 2 November 2012, in Rövershagen, Germany.

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