熱ねつ外がい中ちゅう性せい子しMeaningsNoun1. epithermal neutronKanji used熱heat外outside中in性nature (of a person)子childComposed of熱ねつheat; fever; temperature; zeal; passion; enthusiasm; mania; craze; rageNoun外がいoutside ...; beyond ...; not included in ...Suffix中ちゅう性せい子しneutronNoun