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Guinea pig   Listen
noun
Guinea pig  n.  
1.
(Zool.) A small Brazilian rodent (Cavia porcellus or Cavia cobaya), about seven inches in length and usually of a white color, with spots of orange and black. Called also cavy. It is the domesticated form of the wild cavy, often kept as a pet and used commonly as an experimental animal in laboratory research.
2.
Hence, (figuratively): Any animal or person used in an experiment; also applied to people who are unwillingly or unknowingly subjected by authorities to policies or procedures which might cause bodily or mental harm.
3.
A contemptuous sobriquet. (Obs.)






Collaborative International Dictionary of English 0.48








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Words linked to "Guinea pig" :   someone, Cavia cobaya, mortal, soul, case, individual, person, cavy, subject



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