| Main Entry: | alkali |
| Part of Speech: | noun |
| Definition: | soluble base; opposite of an acid |
Synonyms: |
antacid, caustic soda, salt |
| Main Entry: | alkaline |
| Part of Speech: | adjective |
| Definition: | being basic, not acid (chemically) |
Synonyms: |
acrid, alkalescent, alkali, antacid, bitter, caustic, neutralizing, salty, soluble |