follow Dictionary.com

Your favorite word could be our Word of the Day!

cetane number

noun
1.
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.
Also called cetane rating.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for cetane number
  • The cetane index is derived from a formula for estimating the cetane number of diesel fuel.
  • Important characteristics of diesel fuels are its viscosity, pour point, and cetane number.
  • The cetane number of liquid products showed similar results.
  • SG is generally correlated against performance indicators such as cetane number and heating value.
  • The cetane number indicates the combustion quality of the diesel fuel during compression ignition.
  • In contrast, increasing unsaturation rapidly lowers the cetane number.
  • The cetane number is a dimensionless descriptor of the ignition quality of a diesel fuel.
  • cetane number is significantly higher than that of conventional diesel fuel.
  • These properties were sulfur, cetane number, and ash.
British Dictionary definitions for cetane number

cetane number

noun
1.
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 Also called cetane rating Compare octane number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for cetane number

Few English speakers likely know this word

Word Value for cetane

8
10
Scrabble Words With Friends

Nearby words for cetane number