たんじゅんおんせん 単純温泉 LinksSentence search for 単純温泉Sentence search for たんじゅんおんせんKanji details for 単, 純, 温 and 泉Edit in JMdict Noun1. simple hot spring (containing less than one thousand ppm of dissolved minerals)See also 単純泉 Discussions Log in to talk about this word.