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-zoa

  1. a combining form meaning “animals,” “organisms” of the kind specified by the initial element, used in the names of classes in zoology: Protozoa.
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Origin of -zoa

< New Latin < Greek zôia, plural of zôion animal; see zoon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for -zoa

-zoa

suffix forming plural proper nouns
  1. indicating groups of animal organismsMetazoa
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Word Origin

from New Latin, from Greek zōia, plural of zōion animal, living being
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