Nantoka/온난onnan온난 (onnan) is a Korean word meaning “being temperate; being mild”.Meanings1being temperate2being mildPart of speechnounHanja溫暖/溫煖Related words기온air temperature온도temperature체온body temperature온천hot spring난로heater난방heating고온high temperature온대temperate zone온돌ondol온화하다mild온난화global warming온실가스greenhouse gasesStudy Korean with flashcards →