Associations to the word «Phenolphthalein»

Wiktionary

PHENOLPHTHALEIN, noun. (chemistry) A quinone derivative used as a pH indicator, and once used as a laxative

Dictionary definition

PHENOLPHTHALEIN, noun. 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.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.