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macrospore

American  
[mak-ruh-spawr, -spohr] / ˈmæk rəˌspɔr, -ˌspoʊr /

noun

Botany.
  1. megaspore.


macrospore British  
/ ˈmækrəʊˌspɔː /

noun

  1. another name for megaspore

"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

Other Word Forms

Etymology

Origin of macrospore

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It arises by a simple enlargement of one cell of the nucleus instead of by the division of one cell into four, each thus becoming a macrospore.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

The larger ones contain each a large spore, or macrospore; the smaller contain numerous microspores, immersed in mucilage.

From The Elements of Botany For Beginners and For Schools by Asa Gray

The nucellus is a cellular tissue enveloping one large cell, the embryo-sac or macrospore.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 by Various

But the formation of the macrospore or embryo-sac is simpler than the corresponding process in cryptogams.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

The macrospore divides into two cells, a large lower one, and a smaller upper one.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

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