Enter a clue or pattern or both:
The Clue
Hydroxyl compounds (5 letter answer)
The Answer
DIOLS
Tags
Notes
The answer DIOLS is so rare that it appears less than once every 2500 puzzles.
Definition
DIOL as a noun:
1. (diol, glycol, dihydric alcohol) = any of a class of alcohols having 2 hydroxyl groups in each molecule