physical change

Noun

(physics, chemistry) A change affecting the form of a chemical substance, but not its chemical composition.

Japanese Meaning

物理変化: 化学組成に影響を与えず、物質の形状や状態などの物理的特性が変化すること

When ice melts into water, it undergoes a physical change rather than a chemical one.

氷が水に溶けるとき、それは化学的な変化ではなく、物理的な変化が起こります。

Sense（1）

(physics, chemistry) A change affecting the form of a chemical substance, but not its chemical composition.

physical changes

（ plural ）