Origin: Latin suffix -tion
Vivisection has 2 different meanings across 1 category:
the act of operating on living animals (especially in scientific research)
The action of cutting, surgery or other invasive treatment of a living organism for the purposes of physiological or pathological scientific investigation.
The word comes from the Latin words vīvus, meaning "alive," and sectiō, meaning "cutting." It originally referred to the act of cutting into a living body.