ちょうしゅうきすいせい 長周期彗星 LinksSentence search for 長周期彗星Sentence search for ちょうしゅうきすいせいKanji details for 長, 周, 期, 彗 and 星Edit in JMdict Noun1. long-period cometAstronomy Discussions Log in to talk about this word.