Last Updated：2025/11/20

(physics) Any physical property that can be observed and measured directly and not derived from other properties

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observable

Source Word

observable

IPA(Pronunciation)

Noun

(physics) Any physical property that can be observed and measured directly and not derived from other properties

Japanese Meaning

直接観察・測定可能で、他の物性から派生していない物理的特性

In quantum mechanics, the Hamiltonian is an observable that determines the system's energy levels.

量子力学において、ハミルトニアンは系のエネルギー準位を決定する観測量である。

Sense（1）

(physics) Any physical property that can be observed and measured directly and not derived from other properties

Temperature is an observable but entropy is derived.

observables

（ plural ）