tetraspore

[te-truh-spawr, -spohr]
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noun Botany.

one of the four asexual spores produced within a tetrasporangium.

Origin of tetraspore

First recorded in 1855–60; tetra- + spore
Related formstet·ra·spor·ic [te-truh-spawr-ik, -spor-] /ˌtɛ trəˈspɔr ɪk, -ˈspɒr-/, tet·ra·spor·ous [te-truh-spawr-uh s, -spohr-, ti-tras-per-] /ˌtɛ trəˈspɔr əs, -ˈspoʊr-, tɪˈtræs pər-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for tetraspore

tetraspore

noun

any of the asexual spores that are produced in groups of four in the sporangium (tetrasporangium) of any of the red algae
Derived Formstetrasporic (ˌtɛtrəˈspɒrɪk) or tetrasporous (ˌtɛtrəˈspɔːrəs, tɪˈtræspərəs), 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