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an albino form of Rattus rattus or of R. norvegicus which is much used as a laboratory animal.Medical dictionary. 2011.
white rat — n. an albino rat, esp. one used in biological experiments … English World dictionary
white rat — noun : a rat of an albino strain of the Norway rat that is used extensively as a laboratory animal in biological experimentation * * * an albino variety of the Norway rat, Rattus norvegicus, used in biological experiments. * * * white rat noun An … Useful english dictionary
white rat — /waɪt ˈræt/ (say wuyt rat) noun an albino variety of the common rat, Rattus norvegicus, used in biological experiments …
white rat — an albino variety of the Norway rat, Rattus norvegicus, used in biological experiments. * * * … Universalium
White Rat — Whitey Herzog (baseball player) … Eponyms, nicknames, and geographical games
Rat — (r[a^]t), n. [AS. r[ae]t; akin to D. rat, OHG. rato, ratta, G. ratte, ratze, OLG. ratta, LG. & Dan. rotte, Sw. r[*a]tta, F. rat, Ir. & Gael radan, Armor. raz, of unknown origin. Cf. {Raccoon}.] 1. (Zo[ o]l.) One of several species of small… … The Collaborative International Dictionary of English
Rat Indians — Rat Rat (r[a^]t), n. [AS. r[ae]t; akin to D. rat, OHG. rato, ratta, G. ratte, ratze, OLG. ratta, LG. & Dan. rotte, Sw. r[*a]tta, F. rat, Ir. & Gael radan, Armor. raz, of unknown origin. Cf. {Raccoon}.] 1. (Zo[ o]l.) One of several species of… … The Collaborative International Dictionary of English
Rat mole — Rat Rat (r[a^]t), n. [AS. r[ae]t; akin to D. rat, OHG. rato, ratta, G. ratte, ratze, OLG. ratta, LG. & Dan. rotte, Sw. r[*a]tta, F. rat, Ir. & Gael radan, Armor. raz, of unknown origin. Cf. {Raccoon}.] 1. (Zo[ o]l.) One of several species of… … The Collaborative International Dictionary of English
Rat pit — Rat Rat (r[a^]t), n. [AS. r[ae]t; akin to D. rat, OHG. rato, ratta, G. ratte, ratze, OLG. ratta, LG. & Dan. rotte, Sw. r[*a]tta, F. rat, Ir. & Gael radan, Armor. raz, of unknown origin. Cf. {Raccoon}.] 1. (Zo[ o]l.) One of several species of… … The Collaborative International Dictionary of English
Rat snake — Rat Rat (r[a^]t), n. [AS. r[ae]t; akin to D. rat, OHG. rato, ratta, G. ratte, ratze, OLG. ratta, LG. & Dan. rotte, Sw. r[*a]tta, F. rat, Ir. & Gael radan, Armor. raz, of unknown origin. Cf. {Raccoon}.] 1. (Zo[ o]l.) One of several species of… … The Collaborative International Dictionary of English
