[ myoor-ahyn, -in ]
/ ˈmyʊər aɪn, -ɪn /
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belonging or pertaining to the rodent subfamily Murinae, which includes more than 500 species of mice and rats: pathological studies of murine viruses;the detection of murine odor in the attic.


a murine rodent: No murines have played more vitally important roles in medical research than common house mice and brown rats.



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Origin of murine

First recorded in 1600–10; from Latin mūrīnus “of mice,” equivalent to mūr- (stem of mūs “mouse”) + -īnus adjective suffix; see mouse, -ine1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for murine

/ (ˈmjʊəraɪn, -rɪn) /


of, relating to, or belonging to the Muridae, an Old World family of rodents, typically having long hairless tails: includes rats and mice
resembling a mouse or rat


any animal belonging to the Muridae

Word Origin for murine

C17: from Latin mūrīnus of mice, from mūs mouse
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

Medical definitions for murine

[ myurīn′ ]


Of, relating to, or transmitted by a member of the rodent family Muridae, including rats and mice.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for murine

[ myurīn′ ]

Of or relating to a rodent of the subfamily Murinae, including rats and mice.
Caused, transmitted, or affected by such a rodent.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.