-oid
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.
Compare -ode1.
Origin of -oid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for -oid
-oid
suffix forming adjectives, suffix forming nouns
indicating likeness, resemblance, or similarityanthropoid
Word Origin for -oid
from Greek -oeidēs resembling, form of, from eidos form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medicine definitions for -oid
-oid
suff.
Resembling; one that resembles:cancroid.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for -oid
-oid
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.