also: こうかいり
noun
photodissociation
Technical term in chemistry and physics for the breaking of chemical bonds by light.
光解離は大気化学において重要な過程である。
Photodissociation is an important process in atmospheric chemistry.
この分子は紫外線によって光解離を起こす。
This molecule undergoes photodissociation upon exposure to ultraviolet light.
光分解 is a broader term for photodecomposition, while 光解離 specifically refers to bond cleavage.
Compound of 光 (light) and 解離 (dissociation).