愛あい着ちゃく理り論ろんあいちゃくりろんMeanings1nounattachment theoryA psychological term referring to the theory of emotional bonding, especially between infants and caregivers.愛あい着ちゃく理り論ろんは、幼よう児じ期きの親おや子こ関かん係けいの重じゅう要