電でん光こう石せっ火かMeaningsNounNo-adjective1. flash; instant; lightning (speed) (Yojijukugo)Kanji used電electric光ray石stone火firePitch accentでんこうせっかComposed of電でん光こうlightning; electric illumination; light from an electric sourceNoun石せきcounter for jewels in a watch; counter for transistors, diodes, etc. in an electronic productCounter火かTuesday; fire (second of the five elements)NounExamples2彼かれはそれを電でん光こう石せっ火かの早はやさで仕し上あげた。He finished it as quick as lightning.電でん光こう石せっ火かの速はやさで走はしった。I ran like lightning.