(geometry) opposite angle - in the quadrangles, the angle that is not the neighbour to an angle.

In a shindenzukuri style building, the secondary building located to the west of the main shinden. The western pavilion.

(informal) to have "won" a match on a psychological or personal level despite losing to all appearances

symmetrical pair, left and right pair

(mahjong) a 役 (yaku, “hand”) of seven pairs, worth 2 翻 (han, “doubles”)

cost-effectiveness, performance or quantity per cost

cost-effectiveness, performance or quantity per cost

(linear algebra) diagonal matrix

(linear algebra) diagonal element; diagonal component

New Tokyo International Airport (TYO), currently named Narita International Airport)