熱ねつ膨ぼう張ちょうMeaningsNoun1. thermal expansionKanji used熱heat膨bulge張lengthenPitch accentねつぼうちょうComposed of熱ねつheat; fever; temperature; zeal; passion; enthusiasm; mania; craze; rageNoun膨ぼう張ちょうexpansion; swelling; increase; growthNoun