| ALK | (trademark) a commercial antacid |
|---|---|
| ALK | hypothetical universal solvent once sought by alchemists |
| ALK | of or pertaining to the alkahest that alchemists assumed to exist |
| ALK | an antineoplastic drug used to treat some forms of cancer |
| ALK | a blood disorder characterized by a lower concentration of hydrogen ions in the blood (which rises above 7.45 on the pH scale) |
| ALK | tending to become alkaline |
| ALK | any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water |
| ALK | a mixture of soluble salts found in arid soils and some bodies of water |
| ALK | a common solitary bee important for pollinating alfalfa in the western United States |
| ALK | plant of western North America having grasslike leaves and greenish-white flowers |
| ALK | any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium) |
| ALK | poisoning resulting from the ingestion of an alkali compound (as lye or ammonia) |