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cetane number
(redirected from cetane numbers)

   Also found in: Encyclopedia 0.01 sec.
cetane number
n.
The performance rating of a diesel fuel, corresponding to the percentage of cetane in a cetane-methylnaphthalene mixture with the same ignition performance. A higher cetane number indicates greater fuel efficiency. Also called cetane rating.

cetane number
n
(Chemistry) 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


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For example, bioadditives will improve cetane numbers for low quality diesel fractions made from heavy oil/oil sands bitumen.
on-board diagnostic requirements and handling fuels with varying cetane numbers, but Honda plans to have the engine available in the U.
 
 
 
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