py·​ro·​cat·​e·​chol ˌpī-rō-ˈka-tə-ˌkȯl How to pronounce pyrocatechol (audio)

Word History


International Scientific Vocabulary

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of pyrocatechol was in 1881

Dictionary Entries Near pyrocatechol

Cite this Entry

“Pyrocatechol.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

Medical Definition


py·​ro·​cat·​e·​chol ˌpī-rō-ˈkat-ə-ˌkȯl How to pronounce pyrocatechol (audio) -ˌkōl How to pronounce pyrocatechol (audio)
: a crystalline phenol C6H6O2 obtained by pyrolysis of various natural substances (as resins and lignins) but usually made synthetically and used especially as a photographic developer and in organic synthesis

called also catechol

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