'lead-free' definitions:

Definition of 'lead-free'

From: WordNet
adjective
(of gasoline) not containing tetraethyl lead; "lead-free gasoline" [syn: lead-free, nonleaded]

Definition of 'lead-free'

From: GCIDE
  • lead-free \lead-free\ adj.
  • 1. not containing the element lead. [WordNet 1.5]
  • 2. specifically: Not containing a lead additive such as tetraethyllead or tetramethyllead; -- of gasoline; as, Most modern cars run on lead-free gasoline. Oposite of leaded.
  • Syn: nonleaded, unleaded. [WordNet 1.5]
  • 3. specifically: Not containing a pigment having lead as a component; -- of paints; as, lead-free paint should be used wherever children are exposed to the painted surface. [PJC]