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[per-tik-yuh-lit, -leyt, puh-tik-, pahr-] /pərˈtɪk yə lɪt, -ˌleɪt, pəˈtɪk-, pɑr-/
of, relating to, or composed of distinct particles.
a separate and distinct particle.
a material composed of such particles.
  1. the aggregate of such particles, especially as produced by one source:
    tests to analyze diesel particulates.
  2. Meteorology. solid or liquid particles suspended in the atmosphere, especially pollutants.
Origin of particulate
1870-75; < New Latin particulātus, equivalent to Latin particul(a) particle + -ātus -ate1
Related forms
nonparticulate, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for particulate
  • Today the dry lake bed is the largest single source of particulate matter air pollution in the nation.
  • Renewable diesel also creates far fewer sulfur dioxide, particulate, and nitrogen oxide emissions.
  • particulate air pollution is typically measured at ground level.
  • Depends on the coffee bean particulate shape, which is always round.
  • They can't get through the air system, because of high-efficiency particulate air filters.
  • Scatter and absorption by particulate would be huge.
  • There are still many areas around the world where you can see the sky as the ancients did before light or particulate pollution.
  • These remains are known in the jargon as particulate organic matter.
  • Next on its list of worries is local pollution caused by sulphur dioxide, atmospheric particulate matter and wastewater.
  • We have developed a diesel engine particulate filter which does not apply so much efficiency-reducing back pressure on the engine.
British Dictionary definitions for particulate


/pɑːˈtɪkjʊlɪt; -ˌleɪt/
a substance consisting of separate particles
of or made up of separate particles
(genetics) of, relating to, or designating inheritance of characteristics, esp with emphasis on the role of genes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for particulate

1871, from Modern Latin particulatus, from particula (see particle). As a noun from 1960. Related: Particulates.

Online Etymology Dictionary, © 2010 Douglas Harper
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particulate in Medicine

particulate par·tic·u·late (pər-tĭk'yə-lĭt, -lāt', pär-)
Of or occurring in the form of fine particles. n.
A particulate substance.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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particulate in Science
Adjective  Formed of very small, separate particles. Dust and soot are forms of particulate matter.

  1. A very small particle, as of dust or soot. Particulates that are given off by the burning of oil, gasoline, and other fuels can remain suspended in the atmosphere for long periods, where they are a major component of air pollution and smog.

  2. A substance or suspension composed of such particles, such as sand or smoke.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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