(mathematics, geometry) Riemannian geometry

four, 4

(mahjong) four, 4

a target, a mark, a bullseye / an objective, an object (of doing something)

as far as ... is concerned; in terms of ...

(mathematics, colloquial) Short for 幾何学 (kikagaku): geometry

Used to form the desiderative of verbs: want (to do); hope (to do) / (only with verb ある, である and honorifics) Expressing a wish of the speaker: I hope that; I wish that

大会: convention / 大海: large sea, ocean / 退会: withdrawal, especially from a group of some kind

退会: withdraw

平ら: flat, even, level, smooth, having no variation in altitude