彗星|すいせいsuisei[0]heiban (flat)

Common
Definitions
  1. noun, astronomycomet
    そういう方法ほうほうで彼かれはその彗星すいせいを発見はっけんしたのです。↗
    That's how he discovered the comet.
Synonyms & antonyms
  • Synonymほうき星ほうきぼしNeutralA popular name for a comet, from its broom-like tail; colloquial with an old-fashioned feel, while 「彗星」 is preferred in formal descriptions.
  • SynonymコメットNeutralA loanword for comet, usable in astronomy talk but mostly seen in brand and work titles; ordinary narration says 「彗星」.

Use 「彗星」 for the astronomical object and in metaphors like 「彗星のごとく現れる」; 「ほうき星」 is the colloquial, old-fashioned name, and 「コメット」 appears mainly in names.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 太陽系たいようけいの小しょう天体てんたいのうち、太陽たいように近ちかづいた時ときにコマやテイルが生しょうじるもの。太陽たいようを焦点しょうてんとする二に次じ曲線きょくせんを描えがく。ほうき星ぼし。
  2. 連珠れんじゅで、三さん手て目めまでを図ずのように珠たまを置おいた時ときの珠たま形がた。
Kanji in this word
English equivalents

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