Last Updated：2025/11/22

(physics) A physical quantity that is generally believed to be both universal in nature and constant in time.

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physical constant

Source Word

physical constant

(physics) A physical quantity that is generally believed to be both universal in nature and constant in time.

Japanese Meaning

物理学において、普遍であり時間的にも不変とされる物理量、すなわち物理定数

Physicists often debate whether a measured variation in a supposed physical constant reflects new physics or experimental error.

物理学者は、あるとされる物理定数の測定値の変動が新しい物理学を示すのか、実験誤差なのかをよく議論する。

Sense（1）

(physics) A physical quantity that is generally believed to be both universal in nature and constant in time.

physical constants

（ plural ）