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单词 castor oil
释义

WordReference Random House Learner's Dictionary of American English © 2024
cas•tor oil /ˈkæstɚ ˈɔɪl/USA pronunciation  n. [uncountable]
  1. Chemistrya pale oil squeezed out of the bean of the castor plant, used as a lubricant and to stimulate the bowels.

WordReference Random House Unabridged Dictionary of American English © 2024
cas′tor oil′, 
  1. Chemistry, Drugsa colorless to pale yellow, viscid liquid, usually obtained from the castor bean by a pressing process: used as a lubricant, in the manufacture of certain soaps and creams, and in medicine chiefly as a cathartic. Also called ricinus oil. 
  • 1740–50; castor (perh. variant spelling, spelled of caster) + oil; perh. so called because of its purgative effect

Collins Concise English Dictionary © HarperCollins Publishers::
castor oil n
  1. a colourless or yellow glutinous oil obtained from the seeds of the castor-oil plant and used as a fine lubricant and as a cathartic
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更新时间：2024/11/10 16:08:11