ethanol

FREQ #30529

n. 乙醇, 酒精 [化] 乙醇

发音

UK /ˈɛθ.ə.nɒl/
US /ˈɛθ.ə.nɑl/

词形变化

ethanols 复数 ethanols

释义与例句

n.
  1. 1.

    A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom with a hydroxyl group: CH₃-CH₂-OH.

    乙醇

    不可数 化学
  2. 2.

    Specifically, this form of alcohol as a fuel.

    不可数

    In 2007, not one drop of ethanol was produced in Ohio. Today, four ethanol facilities in Ohio are producing two hundred and ninety-five million gallons annually.

词汇关系

名词

同义词 2

ethyl alcohol grain alcohol

上位词 1

alcohol

下位词 3

absolute alcohol denatured alcohol spirits of wine

整体词 3

ethyl alcohol gasohol neutral spirits

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 Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor. Aramaic כוחלא (kuḥlā)bor. Arabic كُحْل (kuḥl) Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor. Medieval Latin alcoholder. Middle English alcofol English alcohol ▲ English ethyl English eth- Proto-Indo-European *-nós Proto-Italic *-nos Latin -nus Latin -ānusder. English -ane English ethane ▲ English alcohol English -ol English ethanol Contracted from ethyl + alcohol. Ethyl is from Ancient Greek αἰθήρ (aithḗr, “ether”), influenced by German Äthyl. May be decomposed as ethane + -ol.

来源：wiktionary