penicillium

[pen-uh-sil-ee-uh m]
noun, plural pen·i·cil·li·ums, pen·i·cil·li·a [pen-uh-sil-ee-uh] /ˌpɛn əˈsɪl i ə/.
  1. any fungus of the genus Penicillium, certain species of which are used in cheesemaking and as the source of penicillin.

Origin of penicillium

1925–30; < New Latin, equivalent to Latin pēnicill(us) brush (see pencil) + -ium -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for penicillium

penicillium

noun plural -cilliums or -cillia (-ˈsɪlɪə)
  1. 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

Word Origin for penicillium

C19: New Latin, from Latin pēnicillus tuft of hairs; named from the tufted appearance of the sporangia of this fungus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

penicillium in Medicine

penicillium

[pĕn′ĭ-sĭlē-əm]
n. pl. pen•i•cil•li•ums
  1. 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.

Penicillium

n.
  1. 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.

penicillium in Science

penicillium

[pĕn′ĭ-sĭlē-əm]
Plural penicilliums penicillia
  1. 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.