phenol red


: a red crystalline compound C19H14O5S used especially as an acid-base indicator

Word History

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of phenol red was in 1916

Dictionary Entries Near phenol red

Cite this Entry

“Phenol red.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2023.

Medical Definition

phenol red

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