一いっ等とう星せいいっとうせいじ字FuriganaAudioMeanings1nounfirst magnitude starastronomy›Astronomical term for the brightest class of stars visible to the naked eye. Often used in stargazing or educational contexts.今こん夜やは一いっ等とう星せいがよく見みえる。Break this sentence down in the analyzerTonight, the first magnitude stars are clearly visible.シリウスは一いっ等とう星せいの中なかで最もっとも明あかるい。Break this sentence down in the analyzerSirius is the brightest among the first magnitude stars.See all 8 example sentences ›