particulate

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The American Lung Association ranks the metropolitan Pittsburgh area as the nation's fourth-worst in short-term particulate pollution and fifth-worst in year-round particulate pollution, with Allegheny County rated as the nation's seventh most polluted county.

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Definitions (12)

Toggle American Heritage definitions American Heritage Dictionary (3)

  1. adjective Of, relating to, or formed of minute separate particles.
  2. noun A minute separate particle, as of a granular substance or powder.
  3. noun Particulate matter. Often used in the plural: diesel particulates; a high level of atmospheric particulates.

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Toggle GNU Webster definitions GNU Webster's 1913 (3)

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Examples (50)

  • Whatever happened was some kind of particulate reaction the like of which the world has never before known. —  LETTER FROM AN UNKNOWN GENIUS
  • Limiting myself to only one minuscule part of the problem, I was able to produce a working hypothesis for this new and vastly simpler kind of particulate reaction. —  LETTER FROM AN UNKNOWN GENIUS
  • Coal fired power plants in 28 eastern states and the District of Columbia are required to reduce millions of tons of smog and particulate-forming pollution in the form of nitrogen oxides, which are deadly to human beings. —  Climate Ark Climate Change & Global Warming RSS Newsfeed
  • The American Lung Association ranks the metropolitan Pittsburgh area as the nation's fourth-worst in short-term particulate pollution and fifth-worst in year-round particulate pollution, with Allegheny County rated as the nation's seventh most polluted county. —  post-gazette.com - News
  • Environmental Protection Agency for 0. 2g / bhp-hr oxides of nitrogen (NOx) and 0.01 g / bhp-hr particulate matter (PM).
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Etymologies (3)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. From Latin particula, a small part; see particle.

Toggle Century etymologies Century Dictionary (2)

  1. from Middle Latin particulatus, past participle of particulare, particularize, from L. particula, a part, particle: see particle.
  2. from Middle Latin particulatus, past participle of particulare: see particulate, v.
 

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/pərˈtɪkjuleɪt/
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