chemosterilant

[ kee-moh-ster-uh-luh nt, kem-oh- ]
/ ˌki moʊˈstɛr ə lənt, ˌkɛm oʊ- /

noun

a chemical that causes an animal to become irreversibly sterile without changing its mating behavior or longevity.

Origin of chemosterilant

First recorded in 1960–65; chemo- + sterilant