観かん測そく可か能のう量りょうかんそくかのうりょうMeanings1nounobservable; observable quantityphysicsPhysics term for a quantity that can be measured, such as position, momentum, or energy. Often used in quantum mechanics.See also: オブザーバブル量りょう子し力りき学がくでは、位い置ちや運うん動どう量りょうは観かん測そく可か能のう量りょうで