Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun particulate_matter

1 sense of particulate matter

Sense 1
particulate, particulate matter -- (a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions (usually considered to be an atmospheric pollutant))
       => material, stuff -- (the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread")