- any fungus of the genus Penicillium, certain species of which are used in cheesemaking and as the source of penicillin.
Origin of penicillium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for penicillium
Eighty-one years later, the substance produced by the Penicillium notatum fungus is still in wide use as an antibiotic.The 19 Biggest Medical Breakthroughs of the Decade
December 3, 2009
By the miracle of Penicillium Roqueforti a new cheese was made.The Complete Book of Cheese
Robert Carlton Brown
The cells thus formed produce Penicillium like the cells of yeast.
On the other hand, the spores of Penicillium are capable of being transformed into yeast.
When cold, inoculate with a culture of Penicillium brevicaule, and keep at a temperature of 37° C.Aids to Forensic Medicine and Toxicology
W. G. Aitchison Robertson
Penicillium as a nutrient medium offered greater resistance to poisons than did any of the other fungi worked upon.
- any ascomycetous saprotrophic fungus of the genus Penicillium, which commonly grow as a green or blue mould on stale food: some species are used in cheese-making and others as a source of penicillin
C19: New Latin, from Latin pēnicillus tuft of hairs; named from the tufted appearance of the sporangia of this fungus
- Any of various bluish-green fungi of the genus Penicillium that grow as molds on decaying fruits and ripening cheese and are used in the production of penicillin.
- A genus of fungi of the class Ascomycetes, some species of which yield several antibiotic substances and biologics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of various bluish-green fungi of the genus Penicillium, that grow as molds on decaying fruits, ripening cheeses, and bread, and are used to produce penicillin and certain other antibiotics.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.