1. opposition to or a movement against the practice of performing experiments on living animals for scientific research

1. relating to or supporting opposition to vivisection and animal experimentation

Examples

• The antivivisection movement gained momentum in the 19th century as public concern for animal welfare grew.
• She joined an antivivisection organization dedicated to ending laboratory testing on animals.
• Antivivisection activists argue that modern alternatives to animal testing are more ethical and scientifically valid.
• The antivivisection lobby has successfully influenced legislation in several countries.
• Many antivivisection groups work to promote the development of computer models and cell cultures as replacements for animal experiments.
• His antivivisection stance led him to support funding for cruelty-free research methods.