Nantoka/온난 전선onnan jeonseon온난 전선 (onnan jeonseon) is a Korean word meaning “warm front”.Meanings1warm frontHanja溫暖前線Related words기온air temperature온도temperature이전previous time전past전former오전morning체온body temperature온천hot spring난로heater난방heating전후front and rear전제assumptionStudy Korean with flashcards →