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单词 promethazine
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pro•meth•a•zine  (prō meth′ə zēn′, -zin),USA pronunciation n. [Pharm.]
  1. Drugsa phenothiaxine derivative, C17H20N2S, used for the symptomatic relief of allergies and in the management of motion sickness.
  • propyl + (di)meth(ylamine) + (phenothi)azine, components of its chemical name 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
promethazine /prəʊˈmɛθəˌziːn/ n
  1. an antihistamine drug used to treat allergies and to prevent vomiting, esp in motion sickness
Etymology: 20th Century: from pro( pyl) + (di)meth(ylamine) + ( phenothi) azine
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更新时间：2025/7/23 12:42:33