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chlorophenol red

American  

noun

Chemistry.

  1. an acid-base indicator, C 19 H 12 Cl 2 O 5 S, that changes color from yellow to red as the acidity of a solution decreases.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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