guinea pig
n.
1. Any of various small, stocky, short-eared rodents of the genus Cavia of South America, having no visible tail. The domesticated species C. porcellus is widely kept as a pet and is used in biomedical research.
2. Informal A person who is used as a subject for experimentation or research.
[Perhaps alteration (influenced byGuinea, used as a name for any faraway unknown country)ofGuiana.]
guinea pigCavia porcellus
- interfertile
- interfertility
- interfluve
- interfluvial
- intergalactic
- intergalactically
- intergenerational
- intergeneric
- intergenic
- interglacial
- intergovernmental
- intergovernmentally
- intergradation
- intergrade
- intergroup
- intergrowth
- interim
- interionic
- interior
- interior angle
- interior decoration
- interior decorator
- interior design
- interior designer
- interiority