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单词 reagent
释义

WordReference Random House Learner's Dictionary of American English © 2024
re•a•gent /riˈeɪdʒənt/USA pronunciation   n. [countable][Chemistry.]
  1. Chemistrya substance that, because of the reactions it causes, is used in breaking down or building up substances.
See -ag-.
WordReference Random House Unabridged Dictionary of American English © 2024
re•a•gent  (rē ājənt),USA pronunciation n. [Chem.]
  1. Chemistrya substance that, because of the reactions it causes, is used in analysis and synthesis.
  • 1790–1800; re(act) + agent; compare act

Collins Concise English Dictionary © HarperCollins Publishers::
reagent /riːˈeɪdʒənt/ n
  1. a substance for use in a chemical reaction, esp for use in chemical synthesis and analysis
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