《略》 Oregon 《非公式》; Oriel College, Oxford; Orientalist. OR / ｜ ^（ｒ/

n. 【電算】 論理和, オア《多数の入力の内のひとつでも "1" があるとき, 出力に "1" を生じる論理》.

← OR^１ OR

《略》 operating room; operational research; operations research; 【米郵便】 Oregon (州); official receiver; official referee; on request; other ranks. or.

《略》 orange; oratorio; orient; oriental; original; 【法律】 other. o.r.

《略》 operating room; operationally risky; operational requirement; operations requirement; operations room; out of range; overhaul and repair; 【商業】 owner's risk 荷主危険持ち. -or^１, 《英》 -our / ｜ ^（ｒ/