(grammar) ergative

a floor or storey in a building

(literary, rare) by the ocean

(grammar) declension

(figuratively) vulgar, tasteless behaviors that spoil elegant or beautiful things

Short for 確率変動 (kakuritsu hendō).

nuclear / atomic / nuclear power / core / kernel

shell

nine

nine / 究: an indeterminate large number, a myriad, a great many / (divination) the number of yang, in opposition to 六 (roku, “six”) as the number of yin