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单词 camphor
释义

WordReference Random House Learner's Dictionary of American English © 2024
cam•phor /ˈkæmfɚ/USA pronunciation   n. [uncountable]
  1. Chemistry, Drugsa strong-smelling substance used chiefly to repel moths.

WordReference Random House Unabridged Dictionary of American English © 2024
cam•phor  (kamfər),USA pronunciation n. [Chem., Pharm.]
  1. Chemistry, Drugsa whitish, translucent, crystalline, pleasant-odored terpene ketone, C10H16O, obtained from the camphor tree, used chiefly in the manufacture of celluloid and in medicine as a counter-irritant for infections and in the treatment of pain and itching.
  2. Drugsany substance having medicinal or aromatic characteristics similar to those of camphor.
  • Medieval Latin
  • Anglo-French
  • Malay kapur chalk, lime, camphor; replacing Middle English caumfre
  • Medieval Latin, Neo-Latin camphora Arabic kāfūr
  • 1275–1325;
cam•phor•a•ceous  (kam′fə rāshəs),USA pronunciation adj.  cam•phor•ic  (kam fôrik, -for-),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
camphor /ˈkæmfə/ n
  1. a whitish crystalline aromatic terpene ketone obtained from the wood of the camphor tree or made from pinene: used in the manufacture of celluloid and in medicine as a liniment and treatment for colds. Formula: C10H16O
Etymology: 15th Century: from Old French camphre, from Medieval Latin camphora, from Arabic kāfūr, from Malay kāpūr chalk; related to Khmer kāpōr camphor

camphoric /kæmˈfɒrɪk/ adj
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