pyc·​nid·​i·​um pik-ˈni-dē-əm How to pronounce pycnidium (audio)
plural pycnidia pik-ˈni-dē-ə How to pronounce pycnidium (audio)
: a flask-shaped fruiting body bearing conidiophores and conidia on the interior and occurring in various imperfect fungi and ascomycetes
pycnidial adjective

Word History


New Latin, from Greek pyknos dense

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of pycnidium was in 1857

Dictionary Entries Near pycnidium

Cite this Entry

“Pycnidium.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2024.

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