English Reference
noun

ethanol

n.
US /ˈɛθəˌnɔɫ/ UK /ˈɛθɐnˌɒl/ ethanol UK spelling ethanols

  1. 01 B2 Upper Intermediate Technical

    a type of liquid fuel made from plants that can power car engines.

    ethyl alcohol used as a biofuel additive or standalone fuel for internal combustion engines.

    Simple

    Many petrol stations now sell fuel that contains ten percent ethanol.

    In context

    The government introduced subsidies for farmers growing corn specifically for ethanol production to reduce the nation's reliance on imported petroleum.

    biofuelgasohol

Each one gets preserved in a jar of ethanol and sent to the Department of Biodiversity, Conservation and Attractions to have its DNA extracted.

Phys.org· 10 Sept 2026

Czech researchers at Charles University in Prague, led by Pavla Eliášová, have developed an advanced photocathode that helps convert the greenhouse gas carbon dioxide into pure ethanol using sunlight.

Phys.org· 29 Aug 2026

Contracted from ethyl + alcohol. Ethyl is from Ancient Greek αἰθήρ (aithḗr, “ether”), influenced by German Äthyl. May be decomposed as ethane + -ol.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated