bilingual book; a book with translations printed side by side or on opposite pages

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

(physics) annihilation

(physics) undergo annihilation

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

public transport

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

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