also: こうかいり
photodissociation
Technical term in chemistry and physics for the breaking of chemical bonds by light.
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.
Standard kanji form; the reading ひかりかいり is the most common.
Alternate on'yomi reading; less common but encountered in technical contexts.
Compound of 光 (light) and 解離 (dissociation).