対

pertaining to Europe; towards Europe

Internet slang; Video games; From 対戦ありがとうございました

thank you for the game

dialogue form

Mathematics

diagonalisation; diagonalization

control group (in an experiment)

opposition; equivalence; correspondence

measure against unemployment

couplet (Chinese poetry)

pair of hanging scrolls

Mathematics

axis of symmetry; line of symmetry

Mahjong

all pungs; winning hand consisting of four pungs or kongs and one pair

exactly the opposite (of); completely opposite; quite contrary

corresponding value

object

thermocouple

binding legal effectiveness as to third parties

the opposite team in a two-turns work group

Wu dynasty reading of Chinese characters

Tsushima marten (Martes melampus tsuensis, a subspecies of the Japanese marten)

Computing

conversational mode; interactive mode

electron pair

Cooper pair

Mathematics

logarithmic scale

antipodal

northern side house (to the rear of a main residence; often home to one's wife)

antiking; would-be king