research octane number
English
[edit]Noun
[edit]research octane number (plural research octane numbers)
- An octane number, used by the American Society for Testing and Materials to estimate the antiknock characteristics of a fuel at low engine speeds.
- Synonym: (initialism) RON
Hypernyms
[edit]Coordinate terms
[edit]- motor octane number (MON)
- anti-knock index (AKI)
Derived terms
[edit]- RON (abbreviation)