Definition of Guinea pig

1. Noun. A person who is subjected to experimental or other observational procedures; someone who is an object of investigation. "The cases that we studied were drawn from two different communities"

Exact synonyms: Case, Subject
Generic synonyms: Individual, Mortal, Person, Somebody, Someone, Soul
Derivative terms: Subject

2. Noun. Stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research.
Exact synonyms: Cavia Cobaya
Generic synonyms: Cavy

Definition of Guinea pig

1. Noun. A tailless rodent of the the family Caviidae and the genus ''Cavia'' genus, with short ears and larger than a hamster; the species ''Cavia porcellus'' is often kept as a pet. ¹

2. Noun. A rodent of any of several species within the family Caviidae. ¹

3. Noun. (figuratively) A living experimental subject. ¹

¹ Source:

Medical Definition of Guinea pig

1. A rodent with a very short tail that is not visible externally; native to South America, where it is raised for food; used widely as a laboratory animal in bacteriologic, pathologic, and pharmacologic research. Synonym: guinea pig. (05 Mar 2000)

Lexicographical Neighbors of Guinea Pig

guinea-hen flower
guinea corn yaws
guinea flower
guinea fowl
guinea fowls
guinea gold
guinea gold vine
guinea green B
guinea hen
guinea hen weed
guinea keet
guinea keets
guinea pig (current term)
guinea pigs

Literary usage of Guinea pig

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1905)
"Amount taken up = 0'24 cc Series B. 0'25 ce rabbit's C first, and then guinea-pig's C. Amount of guinea- pig's C taken up = 0'19 cc Therefore, ..."

2. The Journal of Infectious Diseases by Infectious Diseases Society of America, John Rockefeller McCormick Memorial Fund, John McCormick Institute for Infectious Diseases (1915)
"Died Died Died night after night after night after The results with the guinea-pigs injected with non-sensitized bacil follows: Guinea-pig 1, 272 gm. ..."

3. The Journal of Experimental Medicine by Rockefeller University, Rockefeller Institute, Rockefeller Institute for Medical Research (1920)
"Transfers from guinea pig 3 (Second Generation).—December 21. 1 cc. of an emulsion prepared from the liver and kidney from guinea pig 3 was inoculated ..."

4. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1915)
"It explains the negative result of our former attempts which aimed at producing experimentally an extrauterine pregnancy in the guinea pig. ..."

5. The Journal of Heredity by American Genetic Association (1917)
"V. The Guinea-pig—Great Diversity in Coat-pattern, Due to Interaction of Many Factors in Development—Some Factors Hereditary, Others of the Nature of ..."

6. Quarterly Journal of Microscopical Science edited by Biologists Limited, The Company of. (1881)
"Extended observations have placed me in the position to give now a detailed account also of these parts in the adult guinea-pig. Jacobson, Gratiolet ..."

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