れいねつ 冷熱 LinksSentence search for 冷熱Sentence search for れいねつKanji details for 冷 and 熱Edit in JMdict Noun1. coldness and hotness; cooling and heatingNoun2. indifference and enthusiasm; prosperity and declineNoun3. cold energy (e.g. in power generation)See also 冷熱発電 Discussions Log in to talk about this word.