セタン価か

noun

cetane number

Technical term used in fuel chemistry to indicate the ignition quality of diesel fuel; equivalent to 'cetane number' or 'cetane rating'.

• ディーゼル燃ねん料りょうのセタン価かが高たかいほど、着ちゃっ火か性せいが良よい。

  The higher the cetane number of diesel fuel, the better its ignition quality.