ethanol

名词 n.
/ˈɛθ.ə.nɒl/    /ˈɛθ.ə.nɑl/

英文释义

名词 n.
  1. A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom with a hydroxyl group: CH₃-CH₂-OH. uncountable,usually
    — Our stomachs and livers have an enzyme known as alcohol dehydrogenase that breaks down ethanol to make it less toxic for our bodies, said Atlanta gastroenterologist Dr. Preston Stewart.
  2. Specifically, this form of alcohol as a fuel. uncountable,usually
    — 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.

词形变化

ethanols plural

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.
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