penicillium

noun
pen·i·cil·li·um | \ˌpe-nə-ˈsi-lē-əm \
plural penicillia\ˌpe-nə-ˈsi-lē-ə \

Definition of penicillium 

: any of a genus (Penicillium) of fungi (such as a blue mold) that are found chiefly on moist nonliving organic matter (such as decaying fruit) and have been grouped with the imperfect fungi but are now often placed with the ascomycetes

First Known Use of penicillium

1867, in the meaning defined above

History and Etymology for penicillium

New Latin, from Latin penicillus

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The first known use of penicillium was in 1867

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penicillium

noun
pen·i·cil·li·um | \ˌpen-ə-ˈsil-ē-əm \

Medical Definition of penicillium 

1 capitalized : a genus of fungi (as the blue molds) that have been grouped with the imperfect fungi but are now often placed with the ascomycetes and that are found chiefly on moist nonliving organic matter (as decaying fruit), are characterized by the erect branching conidiophores ending in tufts of club-shaped cells from which conidia are formed in chains, and include molds useful in economic fermentation and the production of antibiotics

2 plural penicillia\-ē-ə \ : any mold of the genus Penicillium

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