litmus
音標['litm?s] 讀音漢語翻譯
n. 石蕊
【化】 石蕊
【醫】 石蕊
英文解釋:
名詞 litmus:
- a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator同義詞:litmus test
例句:
- Litmus paper can be used as an indicator of the presence of acid in a solution.石蕊試紙可用以測試溶液是否含酸。
詳細解釋:
lit.mus
n.(名詞)A water-soluble blue powder derived from certain lichens that changes to red with increasing acidity and to blue with increasing basicity.石蕊:取自地衣的一種可溶於水的藍色粉末,可隨酸性增大而變紅,隨鹼度增大而變藍
來源:Middle English litmose 中古英文 litmose [of Scandinavian origin] ; akin to Old Norse litmosi [dyer`s herbs] [源於斯堪的納維亞語] ;類似於 古斯堪的納維亞語 litmosi [藍靛] litr [color, dye] litr [著色、染色] mosi [bog, moss] mosi [沼澤,苔]
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