brown rat

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brown rat

n.
The common domestic rat (Rattus norvegicus), which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease. Also called Norway rat.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

brown rat

n
(Animals) a common brownish rat, Rattus norvegicus: a serious pest in all parts of the world. Also called: Norway rat
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Nor′way rat′


n.
an Old World rat, Rattus norvegicus, having a grayish brown body and a long, scaly tail: introduced worldwide. Also called brown rat.
[1745–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brown rat - common domestic ratbrown rat - common domestic rat; serious pest worldwide
rat - any of various long-tailed rodents similar to but larger than a mouse
genus Rattus, Rattus - common house rats; upper incisors have a beveled edge
wharf rat - brown rat that infests wharves
sewer rat - brown rat commonly found in sewers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Male Wistar rats were orally exposed (via gavage) to PtNPs (1-6 nm) in a dose of 9.75 mg/kg/day for 5 consecutive days.
To characterize the effect of aging and regular low-intensity exercise on spinal cord biomarkers, 47 intact 3-month-old male Wistar rats were obtained from a colony maintained by Universidade Federal do Rio Grande do Sul.
In order to study the variation in TGF-[alpha] expression during post-natal SLG development, and to compare its expression between SMG and SLG, we sacrificed male Wistar rats at week 5 and week 9.
Ten male Wistar rats were housed in polypropylene boxes in climatized colony rooms (21 [+ or -] 2 [degrees]C; 60 % humidity) on a 12/12 h light/dark cycle with an air exhaustion cycle (15 min / h) from weaning to 5 months old.
A total of 30 male Wistar rats were used for this study.
Five groups of Wistar rats were selected from 30 healthy animals, with six rats in each group.
Therefore, in the present study we compared altered autophagy gene expression by different exercise intensities in gastrocnemius and soleus muscles of wistar rats.
In the study of Wistar rats exposed to UV-B rays and then smeared with purple corn extract cream at a dose of 25%, 50%, 100% proved that purple corn extract with a 50% dose had a protective effect on the skin of Wistar rats by increasing the amount of dermis collagen and reduce MMP-1 levels.
Obesity and Hyperlipidemia Modulate Alveolar Bone Loss in Wistar Rats. J Periodont 2016; 87(2): e9-e17.
Forty eight healthy albino Wistar rats of either sex, weighing between 250-300 grams were obtained from animal house of Agricultural University, Faisalabad.
Pellon and Perez-Padilla (2013) compared the sensitivity of drinking and lever pressing by Wistar rats to delays of food by imposing increasing lengths of response-food delays.
Telmisartan Effect to BMP-7 Protein Expression in Kidney of 8% Sodium Chloride- Induced Wistar rats.