butane

中文来自 ECDICT

n.: 丁烷

构词拆分

but-前缀

“four carbon prefix”

(organic chemistry) Denotes the presence of four carbon atoms in the parent chain when forming names of organic compounds.

-ane后缀

“alkane suffix”

Variant of -an, usually with differentiation (germane, humane, urbane), but sometimes alone (mundane). · (organic chemistry) A saturated hydrocarbon; an alkane

原始词根

原始印欧语 *tewh₂-

词源说明

IUPAC nomenclature, from but- (“four carbon prefix”) +‎ -ane (“alkane suffix”), the former is derived from the same stem as the foul-smelling carboxylic acid liberated in rancid butter, "butyric acid", hence cognate with butter.

释义（英文）

名词 Noun

(organic chemistry) A hydrocarbon (either of the two isomers of C4H10, n-butane and 2-methylpropane) found in gaseous petroleum fractions.
(organic chemistry, uncountable) The n-butane isomer only.

词族

派生词（14）

butanedione butanoic butanol butyl dibromobutane