-oid


  1. a suffix meaning “resembling,” “like,” used in the formation of adjectives and nouns (and often implying an incomplete or imperfect resemblance to what is indicated by the preceding element): alkaloid; anthropoid; cardioid; cuboid; lithoid; ovoid; planetoid.

Origin of -oid

1
<Greek -oeidēs, equivalent to -o--o- + -eidēs having the form of, derivative of eîdos form

Words Nearby -oid

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How to use -oid in a sentence

British Dictionary definitions for -oid

-oid

suffix forming adjectives, suffix forming nouns
  1. indicating likeness, resemblance, or similarity: anthropoid

Origin of -oid

1
from Greek -oeidēs resembling, form of, from eidos form

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

Scientific definitions for -oid

-oid

  1. A suffix meaning “like” or “resembling,” as in ellipsoid, a geometric solid that resembles an ellipse.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.