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Definition PM in British English

PM noun

[countable] noun
/ˌpiː ˈem/
Example

an appointment with the PM

Synonyms and related words
2

particulate matter: the mixture of solid particles and liquid droplets in the air

Example

PM can be naturally occurring or human made.

Example

Fine particulate matter (PM2.5) is an air pollutant that is a concern for people's health when levels in air are high.

Definition PM in British English