particulate matter

Noun

 * 1) Any solid or liquid in a finely subdivided state, especially when considered as an atmospheric pollutant.

Usage notes
Sometimes abbreviated as PM with a subscripted number representing the size of the particles in micrometres. Thus, PM2.5 represents particles with a maximum diameter of 2.5 µm.

Translations

 * Chinese:
 * Mandarin:, 顆粒物, 懸浮粒子
 * Finnish:
 * French:
 * German:
 * Hungarian:
 * Italian: particolato
 * Japanese: 粒子状物質
 * Korean: 미세먼지
 * Polish: cząstki stałe, pył zawieszony
 * Portuguese: material particulado
 * Spanish: