[ zoh-on ]
/ ˈzoʊ ɒn /
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noun, plural zo·a [zoh-uh]. /ˈzoʊ ə/. Biology Rare.
any of the individuals of a compound organism.
any individual, or the individuals collectively, produced from a single egg.
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Origin of zoon

First recorded in 1860–65; from New Latin zōon, from Greek zôion “animal”


zo·on·al [zoh-uh-nl], /ˈzoʊ ə nl/, adjective

Other definitions for zoon (2 of 2)


a combining form meaning “animal,” “organism” of the kind specified by the initial element, often corresponding to zoological class names ending in -zoa, with -zoon used to name a single member of such a class: protozoon.

Origin of -zoon

see origin at zoon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use zoon in a sentence

British Dictionary definitions for zoon (1 of 2)

/ (ˈzəʊɒn) /

noun plural zoa (ˈzəʊə) or zoons
a less common term for zooid (def. 1)

Derived forms of zoon

zoonal, adjective

Word Origin for zoon

C19: from New Latin, from Greek zōion animal; related to Greek zōē life

British Dictionary definitions for zoon (2 of 2)


n combining form
indicating an individual animal or an independently moving entity derived from an animalspermatozoon

Word Origin for -zoon

from Greek zōion animal
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

Medical definitions for zoon


Animal; independently moving organic unit:spermatozoon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.