noun
consciousness-only; mind-only; vijñapti-mātratā
A core doctrine of the Yogācāra school of Mahayana Buddhism, asserting that all phenomena are manifestations of consciousness and no external reality exists independent of the mind.
唯識の教えでは、外界の対象は心の現れに過ぎないとされる。
In the doctrine of consciousness-only, external objects are considered to be nothing but manifestations of the mind.
唯心 (idealism) is a broader philosophical term, while 唯識 specifically refers to the Buddhist Yogācāra doctrine that all is mind-only.
From Middle Chinese 唯識 (MC ywij syik), a translation of Sanskrit vijñapti-mātratā (consciousness-only).