aer·​en·​chy·​ma ˌer-ˈeŋ-kə-mə How to pronounce aerenchyma (audio)
: modified parenchymatous tissue having large intracellular air spaces that is found especially in aquatic plants where it facilitates gaseous exchange and maintains buoyancy

Word History


aer- + -enchyma, after German Aërenchym

First Known Use

circa 1893, in the meaning defined above

Time Traveler
The first known use of aerenchyma was circa 1893

Dictionary Entries Near aerenchyma

Cite this Entry

“Aerenchyma.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

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