What does "biofuel" mean?

Any fuel that is obtained from a renewable biological resource, especially from biomass.

What is a synonym for "biofuel"?

Common synonyms include: biomass.

Pronounced //ˈbaɪ.əʊˌfjʊ(.ə)l//.

//ˈbaɪ.əʊˌfjʊ(.ə)l// noun

noun ·Rare ·Advanced level

Noun

1
Any fuel that is obtained from a renewable biological resource, especially from biomass. countable, uncountable
"Even second-generation biofuels, made from crop wastes or wood, are an environmental disaster, either extending the cultivated area or removing the straw and stovers which protect the soil from erosion and keep carbon and nutrients in the ground."

"Thanks to biofuel cells, one will soon be able to power one's mobile phone, MP3 player or Laptop without power plug but just sugar and water."

From bio- + fuel.

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