from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The act or practice of cutting into or otherwise injuring living animals, especially for the purpose of scientific research.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The action of cutting, surgery or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.
from the GNU version of the Collaborative International Dictionary of English
- n. The dissection of an animal while alive, for the purpose of making physiological investigations.
from The Century Dictionary and Cyclopedia
- n. Dissection of a living body; the practice of anatomizing alive, or of experimenting upon living animals, for the purpose of investigating some physiological function or pathological process which cannot well be otherwise determined
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the act of operating on living animals (especially in scientific research)
Latin vīvus, alive; see vivify + (dis)section.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin vivus alive + English section: compare French vivisection. See vivid, and section (Wiktionary)