Alkyl

A general term for the atomic group _{CnH2n + 1} remaining when one H is removed from an aliphatic saturated hydrocarbon molecule. They are named by changing the suffix -ane of the English name of a saturated hydrocarbon to -yl. Examples include methyl ( n = 1), ethyl ( n = 2), benzyl ( n = 5), hexyl ( n = 6), etc.

Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition

脂肪族飽和炭化水素分子からH 1個を除いた残りの原子団C_nH_2n＋1の総称．飽和炭化水素の英語名の語尾-ane(アン)を-yl(イル)にかえて命名される．メチル(n ＝ 1)，エチル(n ＝ 2)，ベンチル(n ＝ 5)，ヘキシル(n ＝ 6)など．

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