Cetane Definition
 sētān 
    noun
  
 A colorless, liquid alkane, C16H34, found in petroleum and, sometimes, in vegetable matter, and used to test fuel oils.
 Webster's New World 
Other Word Forms of Cetane
Noun
Singular:
 cetanePlural:
 cetanesOrigin of Cetane
-  Latin cētus whale (so called because it is found in sperm whale oil) Cetus –ane From American Heritage Dictionary of the English Language, 5th Edition 
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