アジア太平洋地域[ajiataiheiyouchiiki] Asia-Pacific region
ルーラル地域[ruuraruchiiki] rural area
安全域[anzeniki] safety margin
異域[iiki] foreign lands
域外[ikigai] outside the area

域内[ikinai] inside the area
円域[eniki] yen bloc
音域[oniki] singing range
音域外[onikigai] outside the singing range
海域[kaiiki] area of ocean

圧力調整器[atsuryokuchouseiki] pressure regulator
火力支援調整線[karyokushienchouseisen] fire support coordination line
企業整備[kigyouseibi] curtailment of business operations
境界調整[kyoukaichousei] alignment
均整[kinsei] symmetry

空気調整[kuukichousei] air conditioning
交通整理[koutsuuseiri] traffic control
再調整[saichousei] readjustment
残務整理[zanmuseiri] liquidation (of a company)
修整[shuusei] adjustment