(of gasoline) containing no tetraethyllead; lead-free.
Printing. not separated or spaced with leads, as lines of type or printed matter.
an unleaded product, especially gasoline that contains no tetraethyllead.
Origin of unleaded
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of petrol) containing a reduced amount of tetraethyl lead, in order to reduce environmental pollution
not covered or weighted with lead
printing (of lines of type, etc) not spaced or separated with leads; solid
petrol containing a reduced amount of tetraethyl lead
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