-zoon

-zoon

suff.

Animal; independently moving organic unit: spermatozoon.

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[New Latin -zōon, from Greek zōion, zōon, living being; see g^wei- in Indo-European roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

-zoon

n combining form

(Biology) indicating an individual animal or an independently moving entity derived from an animal: spermatozoon.

[from Greek zōion animal]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-zoon

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

[< New Latin zōon < Greek zôion animal]

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