Ethanol
//ˈɛθ.ə.nɒl// noun
noun ·Uncommon ·College level
Definitions
Noun
- 1 A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom with a hydroxyl group: CH₃-CH₂-OH. uncountable, usually
"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."
- 2 the intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasoline wordnet
- 3 Specifically, this form of alcohol as a fuel. uncountable, usually
"In 2007, not one drop of ethanol was produced in Ohio. Today, four ethanol facilities in Ohio are producing two hundred and ninety-five million gallons annually."
Example
More examples"This volume of ethanol cannot completely dissolve 0.5 g of the white solid."
Etymology
Contracted from ethyl + alcohol. Ethyl is from Ancient Greek αἰθήρ (aithḗr, “ether”), influenced by German Äthyl. May be decomposed as ethane + -ol.
Related phrases
More for "ethanol"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.