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Definition of Alkali
1. Noun. Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water. "Bases include oxides and hydroxides of metals and ammonia"
Specialized synonyms: Pyridine, Purine, Purine, Glyoxaline, Imidazole, Iminazole, Cyanuramide, Melamine, Pyrimidine
Generic synonyms: Chemical Compound, Compound
Derivative terms: Alkalify, Alkalize, Base, Basify
2. Noun. A mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.
Definition of Alkali
1. n. Soda ash; caustic soda, caustic potash, etc.
2. n. Soluble mineral matter, other than common salt, contained in soils of natural waters.
Definition of Alkali
1. Noun. (chemistry) One of a class of caustic bases, such as 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. ¹
2. Noun. Soda ash; caustic soda, caustic potash, etc. ¹
3. Noun. (context: Western United States) Soluble mineral matter, other than common salt, contained in soils of natural waters. ¹
¹ Source: wiktionary.com
Definition of Alkali
1. a type of chemical compound [n -LIES or -LIS] : ALKALIC [adj]
Medical Definition of Alkali
1.
Origin: F. Alcali, ultimately fr. Ar. Alqali ashes of the plant saltwort, fr. Qalay to roast in a pan, fry.
1. Soda ash; caustic soda, caustic potash, etc.
2.
Lexicographical Neighbors of Alkali
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