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zygospore

[zahy-guh-spawr, -spohr, zig-uh-]
noun Botany, Mycology.
  1. a cell formed by fusion of two similar gametes, as in certain algae and fungi.
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Origin of zygospore

First recorded in 1860–65; zygo- + -spore
Related formszy·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. 2018

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British Dictionary definitions for zygospore

zygospore

noun
  1. a thick-walled sexual spore formed from the zygote of some fungi and algae
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Derived Formszygosporic, 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

zygospore in Science

zygospore

[zīgə-spôr′, zĭgə-]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.