piscicide

noun

pi·​sci·​cide

ˈpīsəˌsīd,

ˈpisə-,

ˈpiskə-

plural -s

: a substance used to kill fish

piscicidal

ˈ⸗⸗¦sīdᵊl

adjective

Word History

Etymology

pisci- + -cide

First Known Use

1953, in the meaning defined above

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