noun, takes genitive case の

  1. pair, couple.

Variations

Pronunciation Kanji Kana Is Common
一対 いっつい

Contained Kanji Breakdown

one, one radical (no.1)
イチ いっ ひと- (1st, N5)
vis-a-vis, opposite, even
タイ つし ツイ (3rd, N3)
sentence, literature, style
ブン モン も (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)
measurement, tenth of a shaku, a little
スン す みき (6th, N1)