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单词 cymene
释义

cymene

[ sahy-meen ]
/ ˈsaɪ min /

noun

a colorless, pleasant-smelling benzene derivative, C10H14, occurring in the volatile oil of the common cumin, Cuminum cyminum, and existing in three forms, the ortho, meta, and para isomers.
Compare para-cymene.

Origin of cymene

1860–65; <Greek kým(īnon) cumin + -ene

Words nearby cymene

cymbidium, cymbiform, cymbocephalic, cymbocephaly, cyme, cymene, cymling, cymo-, cymogene, cymograph, cymoid
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cymene

  • By distillation with zinc chloride, cymene and other products are produced.

    Poisons: Their Effects and Detection|Alexander Wynter Blyth
  • Besides a cymene and a toluene, which have already been shown to exist in rosin spirit, metaxylene was found to be present.

    Scientific American Supplement No. 275|Various
  • Terebenthene belongs to the benzene or aromatic series, which can be shown from its connection with cymene.

    Scientific American Supplement, No. 711, August 17, 1889|Various
  • Cymene is methylpropyl-benzene, and can be made from terpenes by removing two atoms of H.

    Scientific American Supplement, No. 711, August 17, 1889|Various

British Dictionary definitions for cymene

cymene
/ (ˈsaɪmiːn) /

noun

a colourless insoluble liquid with an aromatic odour that exists in three isomeric forms; methylpropylbenzene: used as solvents and for making synthetic resins. The para- isomer is present in several essential oils. Formula: CH 3 C 6 H 4 CH(CH 3) 2

Word Origin for cymene

C19: cym- from Greek kuminon cumin + -ene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2024/9/21 22:46:53