aerenchyma

[ai-reng-kuh-muh, ai-ren-]

aer·en·chy·ma

[ai-reng-kuh-muh, ai-ren-]
noun Botany.
a tissue in certain aquatic plants, consisting of thin-walled cells and large intercellular spaces adapted for internal circulation of air.

Origin:
1895–1900; < Neo-Latin; see aer-, parenchyma
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aerenchyma is always a great word to know.
So is sporophyte generation. Does it mean:
variation in an organism's life cycle of dissimilar reproductive forms
phase in plant life which starts with a zygote produced by sexual reproduction
Collins
World English Dictionary
aerenchyma (ɛəˈrɛŋkɪmə)
 
n
plant tissue with large air-filled spaces, which is typical of aquatic plants and allows air to reach waterlogged parts
 
[C19: from aer(o)- + Greek enkhuma infusion]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
aerenchyma   (â-rěng'kə-mə)  Pronunciation Key 
A spongy tissue with large air spaces found between the cells of the stems and leaves of aquatic plants. Aerenchyma provides buoyancy and allows the circulation of gases.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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