white rat

noun

1. an albino variety of the Norway rat, Rattus norvegicus, used in biological experiments.

white rat

noun

1. a white variety of the brown rat ( Rattus norvegicus ), used extensively in scientific research

Example Sentences

Philip admitted she had an imp like a white rat, which made Thomas Simpson love her.

From Project Gutenberg

The white rat, like all animals perfectly white has red eyes.

From Project Gutenberg

Do you see that white rat with pink eyes restlessly doing sentry-go in his cage?

From Project Gutenberg

Nell had a white rat curled up in her hair and another nestling in her neck.

From Project Gutenberg

Do you remember when my ferret died, and I filled up to cry, and the Major bought me a white rat for consolation?

From Project Gutenberg