unleaded

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English[edit]

Etymology[edit]

un- +‎ leaded. The standard of identity comes from 40 CFR §79.32.

Pronunciation[edit]

Adjective[edit]

unleaded ‎(not comparable)

  1. Without lead.
  2. (US standard of identity, of gasoline) Containing no more than 0.05 grams of lead per gallon.

Synonyms[edit]

Translations[edit]

Verb[edit]

unleaded

  1. past tense of unlead

Noun[edit]

unleaded ‎(usually uncountable, plural unleadeds)

  1. An unleaded fuel.
    • 1976, Newsweek (volume 87, page 292)
      Because one of the unleadeds just might turn out to be the right gasoline for your car. By right, I mean the one that gives you the best balance between price and performance.
    • 1984, Mechanix Illustrated (volume 80, page 18)
      Check the pumps and you'll see some economy unleadeds with octane (antiknock) ratings as low as 86; some quality unleadeds rate as high as 89.