piperonyl butoxide

[ pi-per-uh-nl, pahy-, pip-er-uh-nil ]
/ pɪˈpɛr ə nl, paɪ-, ˈpɪp ər ə nɪl /

noun Chemistry.

a light-brown liquid, C19H30O5, used chiefly as a synergist in certain insecticides.

Origin of piperonyl butoxide

1940–45; piperon(al) + -yl; but- (from butyric) + oxide

Words nearby piperonyl butoxide