exospore

[ ek-suh-spawr, -spohr ]

/ ˈɛk səˌspɔr, -ˌspoʊr /

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noun Botany, Mycology.

the outer coat of a spore.

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Origin of exospore

First recorded in 1855–60; exo- + spore

OTHER WORDS FROM exospore

ex·o·spor·al

[ek-suh-spawr-uhl, -spohr-, ek-sos-per-], /ˌɛk səˈspɔr əl, -ˈspoʊr-, ɛkˈsɒs pər-/, ex·o·spor·ous, adjective

Words nearby exospore

exorcize, exordium, exoskeleton, exosmosis, exosphere, exospore, exosporium, exostosis, exoteric, exoterica, exothermic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use exospore in a sentence

Sometimes the exospore is ruptured and detached loosely from the germinating spore.
Fungi: Their Nature and Uses|Mordecai Cubitt Cooke

British Dictionary definitions for exospore

exospore

/ (ˈɛksəʊˌspɔː) /

noun

the outer layer of the spores of some algae and fungi

Derived forms of exospore

exosporous, 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