Meaning of ALKYL in English

I. adjective Date: 1879 having a monovalent organic group and especially one C n H 2 n +1 (as methyl) derived from an alkane (as methane), II. noun Etymology: probably from German, from Alkohol alcohol Date: 1889 a compound of one or more ~ groups with a metal

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.