Word Pronunciation & Dictionary

research octane number

Word Rarity Rare

Frequency: Zipf frequency 3.08 in modern English

Syllables: re-search oc-tane num-ber
IPA

31

Scrabble Score

20

Letters

4

Syllables

12

Unique Chars

Meaning

noun

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

Inflected Forms

research octane numbers (plural)

Derived Forms

RON

Frequently Paired Words

motor octane number anti-knock index

Synonyms

RON

Questions

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

How to pronounce research octane number

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