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urediospore

American

[yoo-ree-dee-uh-spawr, -spohr] / yʊˈri di əˌspɔr, -ˌspoʊr /

Also uredospore

noun

Mycology.

the spore of the rust fungi that appears between the aeciospore and the teliospore, commonly the summer spore.

First recorded in 1870–75; uredi(um) + -o- + spore

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023