conoid

[koh-noid]

SEE MORE SYNONYMS FOR conoid ON THESAURUS.COM

adjective

Also co·noi·dal. resembling a cone in shape; cone-shaped.

noun

a geometrical solid formed by the revolution of a conic section about one of its axes.

Origin of conoid

From the Greek word kōnoeidḗs, dating back to 1650–60. See cone, -oid

Related formsco·noi·dal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for conoid

tapered, conic, pyramid, raceme, strobile, pointed, sharp, tapering, coned, pyramidal

Examples from the Web for conoid

Historical Examples of conoid

Its conoid shape may class it with the one shown in Fig. 24.
The Archaeology of the Yakima Valley
Harlan Ingersoll Smith
From some experiments I made myself a score of years ago, I am inclined to prefer a plane surface for the conoid to work upon.
Scientific American Supplement, No. 447, July 26, 1884
Various
The head is grooved, circular in cross section, and has conoid ends.
The Archaeology of the Yakima Valley
Harlan Ingersoll Smith
Down the mountain slopes, like a whirl of shining dust blown before the wind, a crimson, conoid cloud came dancing.
The People of the Black Circle
Robert E. Howard

British Dictionary definitions for conoid

conoid

noun

a geometric surface formed by rotating a parabola, ellipse, or hyperbola about one axis

adjective Also: conoidal (kəʊˈnɔɪdəl)

conical, cone-shaped

Derived Formsconoidally, adverb

Word Origin for conoid

C17: from Greek kōnoeidēs, from kōnos cone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012