alkali

Noun
  1. Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water (synset 114642431)
    "bases include oxides and hydroxides of metals and ammonia"
    is a type of: chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
    subtypes:
    • pyridine - a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
    • purine - a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
    • purine - 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
    • pyrimidine - any of several basic compounds derived from pyrimidine
    same as: base
  2. A mixture of soluble salts found in arid soils and some bodies of water;
    Detrimental to agriculture (synset 114736197)
    is a type of: salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

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