Last Updated：2025/11/21

(physics, chemistry) The energy needed to break every chemical bond in a molecule and completely separate all its atoms

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dissociation energy

Source Word

dissociation energy

Noun

(physics, chemistry) The energy needed to break every chemical bond in a molecule and completely separate all its atoms

Japanese Meaning

分子中のすべての化学結合を切断し、各原子を完全に分離するのに必要なエネルギー

The dissociation energy of the nitrogen molecule is unusually high, making N2 remarkably inert under normal conditions.

窒素分子の解離エネルギーは非常に高く、通常の条件下でN2はきわめて不活性です。

Sense（1）

(physics, chemistry) The energy needed to break every chemical bond in a molecule and completely separate all its atoms

dissociation energies

（ plural ）