cissoid (plural cissoids)
(geometry) Any of a family of curves defined as the locus of a point, P, on a line from a given fixed point and intersecting two given curves, C1 and C2, where the distance along the line from C1 to P remains constant and equal to the distance from P to C2.
• cisoids
Source: Wiktionary
Cis"soid, n. Etym: [Gr. (Geom.)
Definition: A curve invented by Diocles, for the purpose of solving two celebrated problems of the higher geometry; viz., to trisect a plane angle, and to construct two geometrical means between two given straight lines.
Source: Webster’s Unabridged Dictionary 1913 Edition
28 November 2024
(noun) the fusion of originally different inflected forms (resulting in a reduction in the use of inflections)
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