1. relating to or involving vivisection (the practice of performing operations on living animals for scientific research)
Usage: scientific; medical

Examples

• The vivisectional procedures were conducted under strict ethical guidelines.
• Animal rights activists protested the vivisectional research at the laboratory.
• The scientist defended the vivisectional methods as necessary for medical advancement.
• New regulations were implemented to oversee vivisectional practices.
• The university’s vivisectional studies contributed to breakthrough treatments.
• Ethical committees review all vivisectional proposals before approval.