WordReference Random House Unabridged Dictionary of American English © 2026
spe•cies•ism
(spē′shē ziz′əm, -sē ziz′-),USA pronunciation n.
spe′cies•ist, adj., n.
- Biologydiscrimination in favor of one species, usually the human species, over another, esp. in the exploitation or mistreatment of animals by humans.
- species + -ism 1970–75