/pi per"euh nl, puy-, pip"euhr euh nil/ , Chem.
a light-brown liquid, C 19 H 30 O 5 , used chiefly as a synergist in certain insecticides.
[ 1940-45; PIPERON(AL) + -YL; but- (from BUTYRIC) + OXIDE ]
/pi per"euh nl, puy-, pip"euhr euh nil/ , Chem.
a light-brown liquid, C 19 H 30 O 5 , used chiefly as a synergist in certain insecticides.
[ 1940-45; PIPERON(AL) + -YL; but- (from BUTYRIC) + OXIDE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012