| NOUN | substance | unleaded gasoline, unleaded petrol | gasoline that has not been treated with a lead compound |
|---|
| Meaning | gasoline that has not been treated with a lead compound. | |
|---|---|---|
| Synonym | unleaded petrol | |
| Broader | gasoline, gasolene, gas, petrol | A volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum |
| Opposite | leaded gasoline, leaded petrol | gasoline treated with a lead compound to reduce motor knocks |
| Spanish | gasolina sin plomo | |
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