白はく熱ねつ電でん球きゅうMeaningsNoun1. light bulb; incandescent light bulbKanji used白white熱heat電electric球spherePitch accentはくねつでんきゅうComposed of白はく熱ねつwhite heat; incandescence; (emitting) white light; white glow; becoming excited; getting heated (e.g. of a discussion); reaching a climaxNoun電でん球きゅうlight bulbNoun