1905, in the meaning defined above
aeci(um) + -o- + -spore
See note at aecium.
Time Traveler for aeciospore
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23 Aug 2022
Cite this Entry
“Aeciospore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aeciospore. Accessed 28 Sep. 2022.
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