precipitantadj.
英 prɪ'sɪpɪt(ə)nt | 美 prɪ'sɪpətənt
中文adj. 勇往直前的；急促的；突如其来的\nn. [化学] 沉淀剂
勇往直前的；急促的；突如其来的
n. [化学] 沉淀剂
词根词源
precipitant (adj.)1610s, from Latin precipitantem, present participle of praecipitare (see precipitate (v.)). As a noun in chemistry from 1680s. The adjective senses now are taken by precipitate (adj.).
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