phenolphthalein

Fetched 2026-10-26 (cache).

Synonyms: phenol phthalein, phenolphthaleins

Antonyms: phenol phthalein, phenolphthaleins

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|organic compound|pharmaceutical drug}} A [[white]] or [[yellowish]]-white [[crystalline]] [[compound]] C{{sub|20}}H{{sub|14}}O{{sub|4}} used in [[medicine]] as a [[laxative]] and in [[analysis]] as an [[indicator]] because its [[solution]] is [[brilliant]] [[red]] in [[alkali]]es and is [[decolorize]]d by [[acid]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.