WordReference Random House Unabridged Dictionary of American English © 2025
cat•e•chol
(kat′i kôl′, -kol′),USA pronunciation n.
- Chemistrya colorless, crystalline, dihydroxyl derivative of benzene, C6H6O2, the ortho isomer, used chiefly in photography, for dyeing, and as a reagent;
pyrocatechol.
- catech(u) + -ol1 1875–80
'catechol' also found in these entries (note: many are not synonyms or translations):