noun
particle system
A computer graphics technique that simulates fuzzy phenomena like fire, smoke, or explosions using many small particles.
このゲームの爆発エフェクトはパーティクルシステムで作られています。
The explosion effects in this game are created with a particle system.
Variant with interpunct; less common in running text.
Borrowed from English 'particle system', a term in computer graphics.