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

　

单词	litmus
释义	WordReference Random House Learner's Dictionary of American English © 2024 lit•mus /ˈlɪtməs/USA pronunciation n. [uncountable] Chemistrycoloring matter that turns blue in alkaline solution and red in acid solution, used as a chemical indicator. WordReference Random House Unabridged Dictionary of American English © 2024 lit•mus (lit′məs),USA pronunciation n. Chemistrya blue coloring matter obtained from certain lichens, esp. Roccella tinctoria. In alkaline solution litmus turns blue, in acid solution, red: widely used as a chemical indicator. Old Norse litmosi dye-moss, equivalent. to lit- color, dye + mosi moss earlier lytmos 1495–1505 Collins Concise English Dictionary © HarperCollins Publishers:: litmus /ˈlɪtməs/ n a soluble powder obtained from certain lichens. It turns red under acid conditions and blue under basic conditions and is used as an indicator Etymology: 16th Century: perhaps from Scandinavian; compare Old Norse litmosi, from litr dye + mosi moss
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英语词典包含188688条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

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更新时间：2025/7/3 7:33:20