[ meg-uh-spawr, -spohr ]
/ ˈmɛg əˌspɔr, -ˌspoʊr /
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Also called macrospore.
OTHER WORDS FROM megasporemeg·a·spor·ic [meg-uh-spawr-ik, -spor-] /ˌmɛg əˈspɔr ɪk, -ˈspɒr-/, adjective
Words nearby megaspore
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for megaspore
In Welwitschia also the megaspore is filled with prothallus-tissue, but single egg-cells take the place of archegonia.
British Dictionary definitions for megaspore
/ (ˈmɛɡəˌspɔː) /
Also called: macrospore the larger of the two types of spore produced by some spore-bearing plants, which develops into the female gametophyteCompare microspore (def. 1)
the cell in flowering plants that gives rise to the embryo sac
Derived forms of megasporemegasporic, 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
Scientific definitions for megaspore
[ mĕg′ə-spôr ]
One of the two types of haploid spores produced by a heterosporous plant. Megaspores develop into female gametophytes and are usually larger than microspores.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.