leaded petrol
Học thuậtThân thiện
Definition
Noun: * Gasoline treated with a lead compound: A type of motor fuel to which lead-based additives, such as tetraethyl lead, have been added. These additives were historically used to increase the fuel's octane rating and prevent engine knocking in older vehicles.
Usage
- As a subject:
- As an object:
- With prepositions:
Examples
Advanced Usage
- Historical/Technical Context: The term is primarily used in historical, environmental, or technical discussions about automotive history, pollution, and public health policy.
- The research paper detailed the global campaign for the elimination of leaded petrol.
Variants and Related Words
- Leaded gasoline (noun): The more common term in American English, synonymous with "leaded petrol."
- Unleaded petrol / Unleaded gasoline (noun): The modern standard fuel that does not contain lead additives.
- Tetraethyl lead (noun): The specific lead compound historically used as the anti-knock additive.
Synonyms
- Leaded fuel (noun): A more general term that can include other fuels like aviation gasoline.
- Ethyl gasoline (noun, historical): A former brand name that became a generic term for leaded fuel.
Related Phrases
- Phase out leaded petrol (verb phrase): To systematically discontinue the use and sale of leaded fuel.
- Most nations have now phased out leaded petrol.
Noun
- gasoline treated with a lead compound to reduce motor knocks
- combustion of leaded gasoline released lead into the air where it could cause lead poisoning