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octane number

Noun CEFR B2

Definitions

A measure of the antiknock properties of an automobile fuel.

Equivalents

9 more languages
Bosanskioktan
Suomioktaaniluku
Hrvatskioktan
Italianonumero di ottano
Polskioktan
Portuguêsoctanagem
Românăcifră octanică
Српскиoktan
Svenskaoktanoktantal

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

octane rating octanedioic acid octanedione octanethiol octangle octanitride

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