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alkali

C2 noun

alkali /ˈæl.kəˌlaɪ/ nghĩa là kiềm

Các nghĩa

  1. kiềm

    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.

    countable · uncountable

    Lithium is an alkali metal.

    Calcium is not an alkali metal.

    Lithium is an alkali metal with atomic number 3 and element symbol Li.

  2. chất kiềm

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

    us · western · countable · uncountable

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