See more synonyms for conoid on
  1. 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for conoid

Historical Examples of conoid

British Dictionary definitions for conoid


  1. a geometric surface formed by rotating a parabola, ellipse, or hyperbola about one axis
adjective Also: conoidal (kəʊˈnɔɪdəl)
  1. 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