A guinea pig.
One that is examined.
Any of various very numerous, mostly small mammals of the order Rodentia, having large front teeth used for gnawing. The teeth grow throughout the animal's life, and are kept from getting too long by gnawing. Rodents make up about half the living species of mammals, and include rats, mice, beavers, squirrels, lemmings, shrews, and hamsters.
A particular area of study.
(Colloquial) Someone who is tested or examined.
The definition of a victim is a person who has had something bad happen to him.
stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
Find another word for guinea-pig. In this page you can discover 28 synonyms, antonyms, idiomatic expressions, and related words for guinea-pig, like: experimental subject, cavy, cavia-porcellus, hamster, , rabbit, rat, cats, gerbil, examinee and rodent.