標ひょう準じゅん光こう源げんMeaningsNoun1. standard candle; standard light sourceKanji used標signpost準standard光ray源sourcePitch accentひょうじゅんこうげんComposed of標ひょう準じゅんstandard; criterion; norm; model; mark; average; the norm; the ordinaryNoun光こう源げんlight sourceNoun