noun Etymology: International Scientific Vocabulary butyric + -yl Date: 1869 any of four isomeric alkyl radicals C 4 H 9 – derived from butane
BUTYL
Meaning of BUTYL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012