yellow grease

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English[edit]

Pronunciation[edit]

  • Audio (AU)(file)

Noun[edit]

yellow grease (uncountable)

  1. (idiomatic) Used vegetable oil purposed for use as biodiesel.
    • 2008, Forest Gregg, Christopher Goodwin, SVO: powering your vehicle with straight vegetable oil, page 4:
      Using waste oil can be much less problematic, but in the US, waste oil is sold by rendering companies as yellow grease, and to a certain extent yellow grease is a substitute for fresh oil.
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