Synfuel

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any of several fuels synthesized from coal or shale etc, or fermented from grain etc. countable, uncountable

    "President Jimmy Carter was proposing a major effort to increase U.S. energy independence by developing “synfuels”—liquid fuels made from coal, oil shales, and tar sands—and scientific experts had warned that this could accelerate CO₂ accumulation."

  2. 2
    Any of several fuels created by chemical synthesis from simple feed stock inputs, of power, energy, heat, water, carbon dioxide, or simple compounds. countable, uncountable

Example

More examples

"President Jimmy Carter was proposing a major effort to increase U.S. energy independence by developing “synfuels”—liquid fuels made from coal, oil shales, and tar sands—and scientific experts had warned that this could accelerate CO₂ accumulation."

Etymology

Blend of synthetic + fuel.

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