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cetane number

ce·tane num·ber
C c

Transcription

    • US Pronunciation
    • US IPA
    • [see-teyn nuhm-ber]
    • /ˈsi teɪn ˈnʌm bər/
    • US Pronunciation
    • US IPA
    • [see-teyn nuhm-ber]
    • /ˈsi teɪn ˈnʌm bər/

Definitions of cetane number words

  • noun cetane number a measure of the quality of a diesel fuel expressed as the percentage of cetane in a mixture of cetane and 1-methylnapthalene of the same quality as the given fuel 3
  • noun cetane number a number that increases with higher quality, representing the ignition properties of diesel engine fuel oils: it is determined by the percentage of cetane that must be mixed with a standard liquid to match the fuel oil's performance in a standard test engine 3
  • noun cetane number A cetane number is a measure of how long it takes fuel to ignite after injection. A high cetane number indicates a short lag. 3
  • noun cetane number a measure of the ignition quality of a diesel engine fuel by comparison with various mixtures in which the alpha form of methylnaphthalene is given a standard value of 0 and cetane is given a standard value of 100. 1
  • noun cetane number A performance rating of diesel fuel corresponding to the percentage of cetane in a mixture with isocetane (or, formerly, methylnaphthalene) that would have the same performance. 0
See all 5 definitions of cetane number

Information block about the term

Origin of cetane number

First appearance:

before 1930
One of the 10% newest English words
First recorded in 1930-35

Historical Comparancy

Parts of speech for Cetane number

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Cetane number

cetane number popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 34% of English native speakers know the meaning and use word.
According to our data about 58% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

cetane number usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

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