adjective
- containing no lead; especially of gasoline that does not contain tetraethyl lead as an additive
Examples
- The gas station only sells nonleaded gasoline now.
- Most modern cars require nonleaded fuel.
- Nonleaded paint is safer for children’s rooms.
- The mechanic recommended switching to nonleaded gas.
- Environmental regulations require nonleaded gasoline.
- All new vehicles are designed for nonleaded fuel.