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    L'éther (en. Ether)

    /l.e.tɛʁ/

    Meaning & Definition

    EnglishFrench
    noun
    A colorless and volatile liquid, formerly used as an anesthetic.
    Ether was widely used in the 19th century.
    L'éther a été largement utilisé au 19ème siècle.
    In chemistry, an ether is a compound where oxygen is bonded to two alkyl or aryl radicals.
    Ethers are commonly used in organic synthesis.
    Les éthers sont couramment utilisés dans la synthèse organique.

    Etymology

    From ancient Greek 'aithēr' meaning 'upper sky, pure air'.

    Common Phrases and Expressions

    the ether of science
    The theoretical and intellectual sphere of the sciences.
    l'éther de la science
    to fall back into the ether
    To be forgotten or lost to oblivion.
    retomber dans l'éther
    to speak into the ether
    To express oneself without anyone listening.
    parler dans l'éther

    Related Words

    ethereal
    Having a light, subtle, or divine character.
    éthéré
    ethylene
    A colorless gas hydrocarbon used as a raw material in petrochemistry.
    éthylène

    Slang Meanings

    A state of intoxication caused by ether inhalation.
    After sniffing ether, he was completely out of it.
    Après avoir sniffé de l'éther, il était complètement à l'ouest.
    Excessive use of ether as a means of mental escape.
    She was lost in the ether, escaping her problems.
    Elle était perdue dans l'éther, fuyant ses problèmes.