English dictionary
guinea pig
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
Source: WordNet 3.0
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stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
Synonyms cavia cobayaSource: WordNet 3.0