noun, noun or participle which takes 'suru'
burst and scatter; explode and disperse
Describes something bursting or exploding and its pieces flying apart. Often used for physical objects, but can be metaphorical.
花火が空中で爆散した。
The fireworks burst and scattered in the sky.
ガラスが粉々に爆散する。
The glass shatters into pieces.
Compound of 爆 (burst, explode) and 散 (scatter). The exact historical derivation is uncertain, but the meaning is transparent from its components.