| NOUN | substance | leaded gasoline, leaded petrol | gasoline treated with a lead compound to reduce motor knocks |
|---|
| Meaning | gasoline treated with a lead compound to reduce motor knocks. | |
|---|---|---|
| Example | "combustion of leaded gasoline released lead into the air where it could cause lead poisoning" | |
| Synonym | leaded petrol | |
| Broader | gasoline, gasolene, gas, petrol | A volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum |
| Opposite | unleaded gasoline, unleaded petrol | gasoline that has not been treated with a lead compound |
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