What is the meaning of guinea pig?

noun

  • A person who is subjected to experimental or other observational procedures; someone who is an object of investigation.
    • usage: "the subjects for this investigation were selected randomly"; "the cases that we studied were drawn from two different communities"
  • Stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). guinea pig. Retrieved September 22, 2026, from http://smartdefine.org/guinea_pig/definitions/1199457
ChicagoWordNet. 2010. "guinea pig" http://smartdefine.org/guinea_pig/definitions/1199457 (accessed September 22, 2026).
HarvardWordNet 2010, guinea pig, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/guinea_pig/definitions/1199457>.
MLAWordNet. "guinea pig" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/guinea_pig/definitions/1199457>