Meaning & use
vivisection
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The practice of performing surgical operations on living animals for scientific research.
See it in a sentence
Animal rights groups have long protested the use of vivisection in laboratories.
Early physiologists relied on vivisection to study how internal organs functioned.
A note on using this word
Now often used with negative connotations by critics of animal testing, though it remains the technical term for surgery performed on a living animal for research purposes.
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