英语词汇“retarder”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	retarder
释义	retarder /ri tahr"deuhr/, n. 1. a person or thing that retards. 2. Chem. a. any substance added to rubber to delay or prevent vulcanization. b. any substance added to delay a process. 3. Building Trades. an admixture of concrete or plaster that retards its set. [1635-45; RETARD + -ER¹]
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