Biogas

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mixture of methane and carbon dioxide, produced by anaerobic digestion of organic waste matter, used as a fuel. countable, uncountable

Synonyms

All synonyms
swamp gas

Example

More examples

"Today we heard a story about biogas extraction."

Etymology

From bio- + gas.

Related phrases

carbon dioxide

More for "biogas"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

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