noun
- plural of octane; hydrocarbon compounds with eight carbon atoms, or gasoline ratings based on octane content
Usage: chemistry; automotive
Examples
- Different octanes are used to measure fuel quality.
- The gas station offers regular and premium octanes.
- Higher octanes prevent engine knocking in performance cars.
- The chemist studied various octanes in the laboratory.
- Racing fuel contains specialized octanes for maximum performance.
- The refinery produces multiple octanes for different markets.