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conicoid

American

[kon-i-koid, koh-ni-] / ˈkɒn ɪˌkɔɪd, ˈkoʊ nɪ- /

noun

Geometry.

a quadric, especially a hyperboloid, paraboloid, or ellipsoid.

Etymology

Origin of conicoid

First recorded in 1860–65; conic + -oid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.