alcohol

noun4

1. •
   beer, wine and other drinks that people can get drunk on
2. •
   Any of a class of organic compounds (such as ethanol) containing a hydroxyl functional group (-OH).

   • Our stomachs and livers have an enzyme known as alcohol dehydrogenase that breaks down ethanol to make it less toxic for our bodies, said Atlanta gastroenterologist Dr. Preston Stewart. — 2012
3. •
   Ethanol.
4. •
   (no longer used) Any very fine powder.