Lexi1 - particulate matter - definition and examples

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particulate matter

particulate matter (noun)

1

Solid or liquid particles suspended in the air.

2

Microscopic pollutants from combustion sources.

3

Fine dust, smoke, and aerosols in the atmosphere.

particulate matter (adjective)

1

Small, solid or liquid particles suspended in the air.

2

Relating to tiny pieces of matter present in a substance.