Particulate matter

Particulate matter
(PM)
  Unburned fuel particles that form smoke or soot and stick to lung tissue when inhaled. A chief component of exhaust emissions from heavy-duty diesel engines.
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

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  • particulate matter — noun 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) • Syn: ↑particulate • Hypernyms: ↑material, ↑stuff • Hyponyms: ↑dust …   Useful english dictionary

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  • Particulate — Particulates, alternatively referred to as particulate matter (PM) or fine particles, are tiny particles of solid or liquid suspended in a gas. In contrast, aerosol refers to particles and the gas together. Sources of particulate matter can be… …   Wikipedia

  • particulate — Relating to or occurring in the form of fine particles. * * * par·tic·u·late pär tik yə lət adj 1) of, relating to, or existing in the form of minute separate particles <dust, smoke, and other particulate matter> 2) of or relating to… …   Medical dictionary

  • particulate — 1. noun a) any solid or liquid in a subdivided state, especially one that exhibits special characteristics which are negligible in the bulk material Particulates in engine oil can abrade moving parts. b) any …   Wiktionary

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