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Meaning of penicillium

pen•i•cil•li•um

Pronunciation: (pen"u-sil'ē-um), [key]
— pl. -cil•li•ums, -cil•li•a
  1. any fungus of the genus Penicillium, certain species of which are used in cheesemaking and as the source of penicillin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
penicillin peninsula