English noun: alkali | |||
1. | alkali (substance) any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | ||
Samples | Bases include oxides and hydroxides of metals and ammonia. | ||
Synonyms | base | ||
Broader (hypernym) | chemical compound, compound | ||
Narrower (hyponym) | cyanuramide, glyoxaline, imidazole, iminazole, melamine, purine, purine, pyridine, pyrimidine | ||
2. | alkali (substance) a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture | ||
Broader (hypernym) | salt | ||