粒りゅう子し状じょう物ぶっ質しつ

noun

particulate matter; PM

Technical term used in environmental science and public health to refer to tiny solid or liquid particles suspended in the air, such as PM2.5 or PM10.

• 大たい気き中ちゅうの粒りゅう子し状じょう物ぶっ質しつが健けん康こうに悪あく影えい響きょうを及およぼすことが知しられている。

  It is known that particulate matter in the atmosphere has adverse effects on health.