[ meg-uh-spaw-ran-jee-uhm, -spoh- ]
/ ˌmɛg ə spɔˈræn dʒi əm, -spoʊ- /
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noun, plural meg·a·spo·ran·gi·a [meg-uh-spaw-ran-jee-uh, -spoh-]. /ˌmɛg ə spɔˈræn dʒi ə, -spoʊ-/. Botany.
a sporangium containing megaspores.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for megasporangium
The number of microspores produced is very large, but only four megaspores are borne in each megasporangium.How to Know the Ferns|S. Leonard Bastin
British Dictionary definitions for megasporangium
/ (ˌmɛɡəspɔːˈrændʒɪəm) /
noun plural -gia (-dʒɪə)
the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plantsCompare microsporangium
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 megasporangium
[ mĕg′ə-spə-răn′jē-əm ]
A plant structure in which megaspores are formed, such as those of the female cones of pines.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.