Ethanol

//ˈɛθ.ə.nɒl// noun

noun ·Uncommon ·College level

Definitions

Noun
  1. 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. 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. 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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.