calcium cyanide

noun

, Chemistry.

1. a white or grayish-black compound, Ca(CN) 2, used as an insecticide and rodent poison.

Example Sentences

Actually I have two versions of this; the older still lists insecticides banned years ago, including DDT, calcium cyanide and lead arsenate.

From Washington Post

Rat burrows are sprayed with calcium cyanide.

From Time Magazine Archive