emission

名词 n.
中文释义
英 /ɪˈmɪʃ.ən/    美 /ɪˈmɪʃ.ən/

英文释义

名词 n.
  1. Something which is emitted or sent out; issue. countable,uncountable
    — the emission was mostly blood
  2. A show; a program.
    — All too often, such shows result in destroying any idea that the topic just _could possibly_ be serious. I also discussed with gothic friends, telling they once were interviewed by people claiming to be creating an emission about gothics... just to discover later that the real topic was sects!
  3. The act of emitting; the act of sending forth or putting into circulation. countable,uncountable
    — the emission of light from the sun

词形变化

emissions plural emissions plural

词汇关系

下位词
nocturnal emission
衍生词
acoustic emission alpha emission atomic emission spectroscopy emission allowance emissionless emission line emission nebula Emissionsgate emission spectrum emissions test emission theory emit field emission field emission display field emission microscope field emission microscopy fugitive emission Lambert's emission law low-emission neutron emission night emission nonemission photoemission positron emission tomography reemission secondary emission stimulated emission depletion microscope stimulated emission depletion microscopy superemission zero-emission zero-emission vehicle

词源

词源 1
First attested in 1607. From Middle French émission, from Latin ēmissiō (“sending forth”), from ēmittō (“send out”), from ex (“from, out of”) + mittō (“send”).
词源 2
Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Italic *eks
Latin ex
Latin ex-
Proto-Indo-European *mey-?
Proto-Indo-European *meyth₂-
Proto-Indo-European *-eti
Proto-Indo-European *méyth₂eti
Proto-Italic *meitō
Old Latin mītō
Latin mittō
Latin ēmittō
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin ēmissiōlbor.
French émissionbor.
English emission
Borrowed from French émission.
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