HomeServicesBlogDictionariesContactSpanish Course
← Back to search

Meaning of research octane number | Babel Free

Noun CEFR C1

Definitions

An octane number, used by the American Society for Testing and Materials to estimate the antiknock characteristics of a fuel at low engine speeds.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

Learn this word in context

See research octane number used in real conversations inside our free language course.

Start Free Course