Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
phenolphthalein | Yes | No | No | No |
acid-base indicator | Yes | No | No | No |
phenolphthalein (noun) | acid-base indicator (noun) |
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a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 | an indicator that changes color on going from acidic to basic solutions |