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. 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. 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

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