- phenolphthalein as a noun:
- 1
phenolphthalein
noun
1 phenolphthalein
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.
Dutch: fenolftaleïne
Polish: fenoloftaleina
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