anti-vivisection

adjective

an·​ti-viv·​i·​sec·​tion ˌan-tē-ˌvi-və-ˈsek-shən 

-ˈvi-və-ˌsek-,

ˌan-tī-

: opposed to experimentation on living animals especially when considered to cause pain or distress to the subject : opposed to vivisection

anti-vivisection ads

an anti-vivisection organization

anti-vivisectionist

ˌan-tē-ˌvi-və-ˈsek-sh(ə-)nist 

ˌan-tī-

noun

… it is cogent to say that I am a strong anti-vivisectionist.

—G. K. Chesterton

Word History

First Known Use

1863, in the meaning defined above

Medical Definition

anti-vivisection

noun

an·​ti-vivi·​sec·​tion ˌant-i-ˌviv-ə-ˈsek-shən, ˌan-ˌtī-, -ˈviv-ə-ˌ 

often attributive

: opposition to animal experimentation and especially vivisection

the anti-vivisection movement

anti-vivisectionist

-ˌviv-ə-ˈsek-sh(ə-)nəst 

noun