階
カイ
きざはし
storey; stair; counter for storeys of a building
Words
試作段階
しさくだんかい
- trial stage; experimental phase; prototype stage n
地下階
ちかかい
- basement floor; underground floor n
地上階
ちじょうかい
- above-ground floor n
- ground floor n
超階乗
ちょうかいじょう
- superfactorial n math
２段階認証
にだんかいにんしょう
- two-factor authentication n comp