concyclicadj.n.

/kənˈsɪklɪk/

Etymology: < con- prefix together + cyclic adj. ( < Greek κύκλος circle).

Geometry.

A. adj.

(a) Lying (as a series of points) on the circumference of one circle. (b) Of two or more conicoids: Giving circular sections when cut by the same system of parallel planes.

ΚΠ

1871 H. M. Jeffery in Q. Jrnl. Math. II. 225.

1874 G. Salmon Treat. Analytic Geom. Three Dimensions (ed. 3) Contents §104 Forms of Equations of concyclic surfaces.

1884 C. Smith Solid Geom. (1886) §173 A system of confocal conicoids reciprocates into a system of concyclic conicoids.

B. n.

absol. as n.

ΚΠ

1884 C. Smith Solid Geom. (1886) §174 The points of contact of the plane with the concyclics which touch it.

This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2018).

单词	concyclic
释义	concyclicadj.n. /kənˈsɪklɪk/ Etymology: < con- prefix together + cyclic adj. ( < Greek κύκλος circle). Geometry. A. adj. (a) Lying (as a series of points) on the circumference of one circle. (b) Of two or more conicoids: Giving circular sections when cut by the same system of parallel planes. ΚΠ 1871 H. M. Jeffery in Q. Jrnl. Math. II. 225. 1874 G. Salmon Treat. Analytic Geom. Three Dimensions (ed. 3) Contents §104 Forms of Equations of concyclic surfaces. 1884 C. Smith Solid Geom. (1886) §173 A system of confocal conicoids reciprocates into a system of concyclic conicoids. B. n. absol. as n. ΚΠ 1884 C. Smith Solid Geom. (1886) §174 The points of contact of the plane with the concyclics which touch it. This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2018). < adj.n.1871
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