オブザーバブル

noun

observable

Physics term for a measurable physical quantity, such as position, momentum, or energy. Used in quantum mechanics and related fields.

• 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オブザーバブルとして扱あつかわれる。

  In quantum mechanics, position and momentum are treated as observables.