-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

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

British Dictionary definitions for oid

-oid

suffix, suffix

indicating likeness, resemblance, or similarity: anthropoid

Word Origin

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

Word Origin and History for oid

-oid

word-forming element meaning "like, like that of, thing like a ______," from Latinized form of Greek -oeides, from eidos "form," related to idein "to see," eidenai "to know;" literally "to see," from PIE *weid-es-, from root *weid- "to see, to know" (see vision). The -o- is connective or a stem vowel from the previous element.

oid in Medicine

-oid suff.
Resembling; one that resembles: cancroid.

oid in Science

-oid
A suffix meaning "like" or "resembling," as in ellipsoid, a geometric solid that resembles an ellipse.

Slang definitions & phrases for oid

-oid

suffix

used to form adjectives Resembling or imitating what is indicated: blitzoid/ cheesoid/ technoid/ zomboid
used to form nouns Something resembling or imitating what is indicated: flakoid/ fusionoid/ Grouchoid/ klutzoid •This
is increasingly current, probably because of the popularity of fantasy and science fiction, esp among teenagers

[fr the scientific suffix -oid, fr Greek -oeides, ultimately fr eidos, ''image, form''; dictionaries list over 1,800 -oid compounds, most of which date from the 1700s and 1800s]

oid in Technology

object identifier

Related Abbreviations for oid

OID

object identifier