| adj. | 1. | not containing the element lead. |
| 2. | Not containing a lead additive such as tetraethyllead or tetramethyllead; - of gasoline; | |
| 3. | Not containing a pigment having lead as a component; - of paints; |
| Adj. | 1. | lead-free - (of gasoline) not containing tetraethyl lead; "lead-free gasoline" Synonyms: nonleaded |