noun
- An organic compound containing two hydroxyl groups (-OH) bonded to different carbon atoms.
Usage: chemistry; technical term
Examples
- Ethylene glycol is a common diol used in antifreeze.
- The chemist synthesized a new diol for use in polymer production.
- Diols are important building blocks in organic synthesis.
- Propylene glycol is a diol found in many cosmetic products.
- The reaction produced a diol intermediate with two hydroxyl groups.