Definitions of alkali

n any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water

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a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
any of several bases that are derivatives of purine
glyoxaline, imidazole, iminazole
an organic base C3H4N2; a histamine inhibitor
cyanuramide, melamine
a white crystalline organic base; used mainly in making melamine resins
any of several basic compounds derived from pyrimidine
A, adenine
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
C, cytosine
a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
G, guanine
a purine base found in DNA and RNA; pairs with cytosine
T, thymine
a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
a pyridine ring with three phosphorus groups
Type of:
chemical compound, compound
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

n a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture

Type of:
a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

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