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unleaded

[ uhn-led-id ]

adjective

  1. (of gasoline) containing no tetraethyllead; lead-free.
  2. Printing. not separated or spaced with leads, as lines of type or printed matter.

noun

  1. an unleaded product, especially gasoline that contains no tetraethyllead.

unleaded

/ ʌnˈlɛdɪd /

adjective

  1. (of petrol) containing a reduced amount of tetraethyl lead, in order to reduce environmental pollution
  2. not covered or weighted with lead
  3. printing (of lines of type, etc) not spaced or separated with leads; solid

noun

  1. petrol containing a reduced amount of tetraethyl lead

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Word History and Origins

Origin of unleaded1

First recorded in 1605–15; un- 1 + lead 2 + -ed 3

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