Simple Definition of ethanol

from our Learner's Dictionary

ethanol

noun

technical : alcohol sense 1
used especially to refer to alcohol when it is used as a fuel
a car that uses a mixture of ethanol and gasoline for fuel

Cite this Entry

“Ethanol.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ethanol. Accessed 21 Jun. 2026.

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