from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various small, short-eared domesticated rodents of the genus Cavia, having variously colored hair and no visible tail. They are widely kept as pets and often used as experimental animals.
- n. Informal A person who is used as a subject for experimentation or research.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tailless rodent of the the family Caviidae and the genus Cavia genus, with short ears and larger than a hamster; the species Cavia porcellus is often kept as a pet.
- n. A rodent of any of several species within the family Caviidae.
- n. A living experimental subject.
from the GNU version of the Collaborative International Dictionary of English
- 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.
- 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.
- A contemptuous sobriquet.
from The Century Dictionary and Cyclopedia
- n. The domestic form, in several varieties, of the restless cavy, Cavia aperea, a Brazilian rodent of the family Caviidæ.
- n. The boschvark, Potamochærus africanus.
- n. One whose fee is a guinea: a punning name, applied in the quotation to a veterinary surgeon.
- n. A junior midshipman in the East India service.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
- n. stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
So a few minutes later, William and Buddy were on their way home again, carrying a dusty-orange-colored guinea pig in a cardboard box with breathing holes.
She was immune to promicin, thanks to playing guinea pig for Kevin Burkhoff a few years back, but Tom was not.
Sweetie Pie had been one of the stunted sweet-stuff pigs, and she never quite made it to normal guinea pig size.
Even though Sweetie Pie never got much bigger, she was, according to Jancy, the smartest, cutest guinea pig that ever lived.
Using nerve muscle strips from guinea pig ileum, rich in opiate receptors, we found that both morphine and TIQs reduced electrically stimulated muscular contractions.
In 1975, Hughes, with Kosterlitz and other colleagues, analyzed enkephalin extracted from the guinea pig brain and found the following amino acids indifferent amounts: glycine, methionine, tyrosine, phenylalanine, and leucine.
Blum, Opiate-like activity of salsolinol on the electrically stimulated guinea pig ileum, Life Sciences 25 1979: 2205-10.