from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
Sorry, no etymologies found.