macrospore

[ mak-ruh-spawr, -spohr ]

/ ˈmæk rəˌspɔr, -ˌspoʊr /

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noun Botany.

megaspore.

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Origin of macrospore

First recorded in 1855–60; macro- + -spore

OTHER WORDS FROM macrospore

mac·ro·spor·ic

[mak-ruh-spawr-ik, -spor-], /ˌmæk rəˈspɔr ɪk, -ˈspɒr-/, adjective

Words nearby macrospore

macropterous, macroscopic, macrosegment, macrosociology, macrosporangium, macrospore, macrostructure, macrotous, macruran, macrurous, macula

How to use macrospore in a sentence

But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams.
Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886|Various
The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage.
The Elements of Botany|Asa Gray
The macrospore divides into two cells, a large lower one, and a smaller upper one.
Elements of Structural and Systematic Botany|Douglas Houghton Campbell
The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1|Various

British Dictionary definitions for macrospore

macrospore

/ (ˈmækrəʊˌspɔː) /

noun

another name for megaspore (def. 1)

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