ethane
n. 乙烷 [化] 乙烷
发音
US
/ˈɛθeɪn/
UK
/ˈiːθeɪn/
词形变化
ethanes
复数
ethanes
释义与例句
n.
-
1.
An aliphatic hydrocarbon, C₂H₆, gaseous at normal temperatures and pressures, being a constituent of natural gas.
乙烷
不可数 化学 -
2.
The same compound, subjected to modification by replacing one or more of the hydrogen atoms with other radicals.
可数 化学 不可数chlorinated ethanes; halogenated ethanes
词汇关系
上位词 3
词源
Etymology tree Proto-Indo-European *h₂eydʰ-der. Proto-Hellenic *áitʰō Ancient Greek αἴθω (aíthō) ▲ Ancient Greek ᾱ̓ήρ (āḗr)influ.? Ancient Greek αἰθήρ (aithḗr)der. Latin aethērbor. German Äther German Ether Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Ethylbor. English ethyl English eth- Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānusder. English -ane English ethane From eth- + -ane.
来源:wiktionary