Last Updated：2025/11/21

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

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particulate matter

Source Word

particulate matter

Noun

countable uncountable

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

Japanese Meaning

大気中に存在する微細な固体または液体の粒子、特に大気汚染物質として扱われるもの

The city's health advisory warned residents to stay indoors due to high levels of particulate matter.

市の健康に関する注意報は、大気中の高濃度の粒子状物質のため、住民に屋内にとどまるよう警告した。

Sense（1）

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

Particulate matter air pollution contributes to lung cancer incidence in Europe.

particulate matters

（ plural ）