alkali

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Pronunciation

• IPA: /ˈæl.kə.laɪ/, enPR: ălʹkəlī

Noun

alkali

1. (chemistry) One of a class of caustic bases, such as soda, soda ash, caustic soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility 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.
2. (Western United States) Soluble mineral matter, other than common salt, contained in soils of natural waters.

Synonyms

• (chemistry) base

Antonyms

• (chemistry) acid

Related terms

• alkalied
• alkaloid

Translations

• French: alcali
• German: Alkali
• Italian: alcali, base
• Portuguese: álcali
• Russian: щёлочь
• Spanish: álcali

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