[ li-steer-ee-uh ]
/ lɪˈstɪər i ə /

noun Bacteriology.

any of several rod-shaped, aerobic, parasitic bacteria of the genus Listeria, pathogenic for humans and animals.

Origin of listeria

1960–65; < New Latin, named after J. Lister; see -ia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for listeria


/ (lɪsˈtɪərɪə) /


any rodlike Gram-positive bacterium of the genus Listeria, esp L. monocytogenes, the cause of listeriosis

Derived Forms

listerial, adjective

Word Origin for listeria

C20: named after Joseph Lister
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

Medicine definitions for listeria


[ lĭ-stîrē-ə ]


A genus of aerobic parasitic bacteria containing small, coccoid, gram-positive rods that tend to form chains of three to five members. They are found in the feces of humans and other animals, on vegetation, and in silage.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.