[ zahy-guh-spawr, -spohr, zig-uh- ]
/ ˈzaɪ gəˌspɔr, -ˌspoʊr, ˈzɪg ə- /

noun Botany, Mycology.

a cell formed by fusion of two similar gametes, as in certain algae and fungi.

Origin of zygospore

First recorded in 1860–65; zygo- + -spore

Related forms

zy·go·spor·ic [zahy-guh-spawr-ik, -spor-, zig-uh-] /ˌzaɪ gəˈspɔr ɪk, -ˈspɒr-, ˌzɪg ə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for zygospore

British Dictionary definitions for zygospore


/ (ˈzaɪɡəʊˌspɔː, ˈzɪɡ-) /


a thick-walled sexual spore formed from the zygote of some fungi and algae

Derived Forms

zygosporic, adjective
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

Science definitions for zygospore


[ zīgə-spôr′, zĭgə- ]

A large, multinucleate spore formed by union of isogametes (gametes that are not distinguished by size and structure), as in certain algae or fungi. A zygospore develops thick, resistant walls and enters a period of dormancy before germinating.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.