alkali

n. 碱 a. 碱性的

发音

US /ˈæl.kəˌlaɪ/
US /ˈæl.kəˌlaɪ/
IN /ˈalkəli/
IN /əlkəˈli/
IN /-laj/

词形变化

alkalies alkalis 复数 alkalis alkalies 复数

别名

alk alk.

释义与例句

n.
  1. 1.

    One of a class of caustic bases, such as soda, soda ash, caustic soda, potash, ammonia, and lithia, whose distinguishing characteristics are dissolving in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.

    可数 不可数 化学
  2. 2.

    Soluble mineral matter, other than common salt, contained in soils of natural waters.

    美国 可数 不可数

词汇关系

相关短语

词源

From French alcali, from Medieval Latin alcali, ultimately from Arabic اَلْقِلْي (al-qily, “alkali, ashes of the saltwort”), related to قَلَى (qalā, “to roast in a pan, fry”).

来源:wiktionary