octane number

octane number

English

Noun

octane number (plural octane numbers)

1. A measure of the antiknock properties of an automobile fuel; isooctane having an octane number of 100, a fuel with the same antiknock properties as a mixture of 90% isooctane and 10% heptane having an octane number of 90.

Synonyms

• octane rating

Hyponyms

• motor octane number (MON)
• research octane number (RON)
• antiknock index (AKI)

Derived terms

• motor octane number (MON)
• research octane number (RON)

Translations

measure of the antiknock properties of an automobile fuel

Danish: oktantal (da) n Finnish: oktaaniluku (fi) French: indice d'octane (fr) m German: Oktanzahl (de) f Hungarian: oktánszám (hu) Italian: numero di ottano (it) m Kazakh: октан саны (oktan sany) Persian: عدد اکتان‎ ('adad-e oktân) Portuguese: octanagem (pt) f Romanian: cifră octanică (ro) f Spanish: octanaje m Swedish: oktantal (sv) n, oktan (sv) n

See also

• cetane number

Further reading

• octane rating on Wikipedia.Wikipedia