| guinea pig | | |
| n. (person) | 1. case, guinea pig, subject | a person who is subjected to experimental or other observational procedures; someone who is an object of investigation.; "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities" |
| ~ individual, mortal, person, somebody, someone, soul | a human being.; "there was too much for one person to do" |
| n. (animal) | 2. cavia cobaya, guinea pig | stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research. |
| ~ cavy | short-tailed rough-haired South American rodent. |
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