par·​tic·​u·​late | \pär-ˈti-kyə-lət also -ˌlāt \

Definition of particulate 

(Entry 1 of 2)

: of or relating to minute separate particles



Definition of particulate (Entry 2 of 2)

: a particulate substance

Examples of particulate in a Sentence

Recent Examples on the Web: Adjective

If current levels of particulate air pollution persist, the global population would lose 12.8 billion years of life. Umair Irfan, Vox, "How improving air quality could add years to people’s lives around the world.," 21 Nov. 2018 If the remaining coal and biomass heating and cooking were replaced with cleaner fuels, the researchers found, China could further reduce exposure to fine particulate matter by 63 percent. Megan Geuss, Ars Technica, "In China, replacing coal and biomass stoves has saved lives," 21 Nov. 2018 What the index does make abundantly clear is that there is a direct relationship between air pollution, namely particulate matter, and health. Umair Irfan, Vox, "How improving air quality could add years to people’s lives around the world.," 21 Nov. 2018 Trees and ordinary turfgrass are brilliant at sequestering carbon, producing oxygen, capturing and filtering precious rainfall, collecting dust and particulate matter and reducing heat. WSJ, "In Defense of Efficient, Modern Leaf Blowers," 24 Oct. 2018 The detectors can provide breakdowns of how much carbon dioxide, carbon monoxide, nitric oxide, nitrogen dioxide, ozone and particulate matter are in the environment. Travis Fedschun, Fox News, "Google Street View cars to be outfitted with pollution sensors to measure US, Europe air quality," 18 Sep. 2018 The Surrealistic-looking ear, turned green by time and the varied particulate matter in the Milanese air, was originally designed in 1927 by the sculptor Adolfo Wildt as access to an intercom. Joan Juliet Buck, ELLE Decor, "The Greatness of Milan Through the Lens of Bottega Veneta," 29 Aug. 2018 The second category is particulate matter, such as dust, dirt, soot, and smoke. Korin Miller, SELF, "How to Stay Safe When Your City’s Air Quality Is Dangerous," 21 Aug. 2018 More than four in 10 Americans—some 134 million of us—live in regions with unhealthy particulate pollution and ozone in the air. Rob Jackson, Scientific American, "Relaxing Vehicle-Efficiency Standards Is a Truly Dangerous Idea," 12 July 2018

Recent Examples on the Web: Noun

Make sure to vacuum carpets once a week with a device that has a high-efficiency particulate air (HEPA) filter. Colleen Stinchcombe, SELF, "Here Are 9 Ways to Deal With a Pet Allergy If You Love Animals," 30 Nov. 2018 And fine particulates, classified as 2.5 microns or less in diameter, are just one type of pollution. Umair Irfan, Vox, "How improving air quality could add years to people’s lives around the world.," 21 Nov. 2018 While particulates in the air are an active defense against lasers, a passive defense could be to armor the target with laser-deflecting mirrors or film with a mirror-like surface on it. Kyle Mizokami, Popular Mechanics, "How the Military Will Be Revolutionized By Laser Weaponry," 11 Mar. 2016 Indeed, experts quietly acknowledge that, by reducing such particulates, our clean-air efforts have actually made our climate problem worse. Holman W. Jenkins, WSJ, "If California Was Serious About Climate," 31 Aug. 2018 Electric buses improve local air quality, because the particulates that come from burning diesel don't exist. Megan Geuss, Ars Technica, "Are diesel’s days numbered? A view from a trip to BYD’s electric bus factory," 14 Aug. 2018 Some bone particulate remains in a very fine, sand-like form that can be placed in an urn or buried. Ace Ratcliff, SELF, "Pet Euthanasia at Home: 6 Ways to Make Putting Down Your Pet Easier on Them—and You," 25 Oct. 2018 The second problem is emissions of harmful nitrogen oxides and particulates from vehicles. The Economist, "Heathrow’s third runway could be blown off course by pollution," 28 June 2018 Forced-air furnaces can produce dust, and particulates can be especially heavy in homes with wood-burning fireplaces. Debbie Carlson,, "5 areas to tackle during spring cleaning," 22 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'particulate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of particulate


1870, in the meaning defined above


1942, in the meaning defined above

History and Etymology for particulate


Latin particula

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Last Updated

9 Dec 2018

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Time Traveler for particulate

The first known use of particulate was in 1870

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More Definitions for particulate


par·​tic·​u·​late | \pär-ˈtik-yə-lət \

Medical Definition of particulate 

(Entry 1 of 2)

1 : of, relating to, or existing in the form of minute separate particles dust, smoke, and other particulate matter

2 : of or relating to particulate inheritance the particulate theory of heredity— Julian Huxley



Medical Definition of particulate (Entry 2 of 2)

: a particulate substance emission of particulates by car engines cytoplasmic particulates in the cell

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More from Merriam-Webster on particulate

Rhyming Dictionary: Words that rhyme with particulate

Britannica English: Translation of particulate for Arabic Speakers Encyclopedia article about particulate

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