The Collaborative International Dictionary
Antivivisectionist \An`ti*viv`i*sec"tion*ist\, n. One opposed to vivisection
Wiktionary
a. 1 of or relating to such a person 2 characterized by opposition to vivisection n. an individual opposed to the practice of vivisection
Usage examples of "antivivisectionist".
He cannot be regarded as an antivivisectionist, for he repeatedly states that to painless experiments upon animals no objection exists.
Among antivivisectionists there are those who belive that any human being who could thus subject animals to torment would not find it impossible to deny the fact.
It is open, of course, to an antivivisectionist to deny the right of science to profit by the exploitation of animals, but this is not the position of a large number who seek only to prevent the cruelty which has often accompanied it.
Bigelow was never an antivivisectionist, if by that term we mean one who is opposed to all experiments upon animals.
I had had, I thought, good success in my early experiments, but the outcome was thwarted by some antivivisectionists who were convinced that I was using the cats for cruel, devious pranks, and the two females which I thought I had impregnated disappeared forever beyond my control.