光こう熱ねつTop 35000MeaningsNounNo-adjective1. light and heatKanji used光ray熱heatPitch accentこうねつUsed in vocabulary光こう熱ねつ費ひcost of fuel and lighting; cost of heat and electricity; energy bill; utility costNoun光こう熱ねつ水すいlight, heating and water (utilities)Noun光こう熱ねつ水すい費ひlight, heating and water utility costsNoun