ethanol

noun

eth·​a·​nol ˈe-thə-ˌnȯl  -ˌnōl 

British also ˈē-

: a colorless volatile flammable liquid C₂H₅OH that is the intoxicating agent in liquors and is also used as a solvent and in fuel

called also ethyl alcohol, grain alcohol

Examples of ethanol in a Sentence

Recent Examples on the Web

Clean cooking refers to the use of low-emission fuels and technologies, such as ethanol, biogas and electricity, instead of traditional fuels like charcoal and firewood. — ABC News, 9 July 2026

For all its 120 proof, the ethanol is quite subdued, which allows sweeter (brown sugar), fruitier (figs, cherries), spicier (cinnamon), and lightly smoky aromas (BBQ sauce burnt ends) to really stand apart. — David Thomas Tao, Forbes.com, 7 July 2026

To preserve premium’s higher octane level, refineries add cleaner-burning, higher-octane — and more expensive – ethanol to their blends. — David Goldman, CNN Money, 3 July 2026

In an attempt to escape, the insects fly upward and blunder into a bottle filled with ethanol, which kills them and preserves their remains. — Jeffrey Kluger, Time, 29 June 2026

Word History

First Known Use

1892, in the meaning defined above

Rhymes for ethanol

• aerosol
• alcohol
• arbitral
• basketball
• butanol
• cannonball
• carbinol
• cortisol
• fireball
• gasohol
• gossypol
• guaiacol

Kids Definition

ethanol

noun

eth·​a·​nol ˈeth-ə-ˌnȯl 

-ˌnōl

: a colorless flammable easily evaporated liquid that is used to dissolve things and that is the substance in fermented and distilled liquors that can make one drunk

called also ethyl alcohol, grain alcohol

Medical Definition

ethanol

noun

eth·​a·​nol ˈeth-ə-ˌnȯl  -ˌnōl 

: a colorless volatile flammable liquid C₂H₅OH that is the intoxicating agent in liquors and is also used as a solvent

called also ethyl alcohol, grain alcohol

see alcohol sense 1