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cetane
cetane n.
Brit. 
/ˈsiːteɪn/
, /ˈsiːteɪn/U.S. /ˈsiˌteɪn/
the paraffin of the hexdecyl or cetyl series, C16H34, a colourless liquid; so cetane number, a measure of the ignition value of a diesel fuel oil./ˈsiˌteɪn/ΘΚΠ
society > occupation and work > materials > fuel > chemical fuel > [noun] > liquid > properties of
cetane number1871
octane1931
octane number1931
knock rating1932
startability1933
octane rating1936
1871 H. Watts Dict. Chem. 1st Supp. 421 Cetane or Cetyl hydride is one of the constituents of American petroleum.
1884 Athenæum 699/1 Cetane (boiling at 278°).
1959 Chambers's Encycl. VII. 640/2 Ignition quality is defined by ‘cetane number’, i.e. the percentage of cetane in a blend with α-methylnaphthalene which gives the same delay period, under standardized test conditions, as that given by the fuel in question.
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