par·​tic·​u·​late | \ pär-ˈti-kyə-lət also -ˌlāt How to pronounce particulate (audio) \

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

The New England Journal of Medicine examined levels of particulate matter and daily death rates in 652 cities in 24 countries over the course of three decades. Fox News, "Breathing polluted air is deadlier than previously believed, new study claims," 23 Aug. 2019 Ultra-fine particles are particulate matter measuring less than 100 nanometers in diameter. Lilly Nguyen, Daily Pilot, "Hookah smoke isn’t a chemically safer alternative to cigarettes, UCI study says," 22 Aug. 2019 In research published last year, scientists in Beijing found that inhaling particulate matter robbed people of their smarts, leading to lower verbal and math test scores. National Geographic, "Air pollution linked to bipolar disorder, depression," 20 Aug. 2019 The research demonstrated the fragments may become airborne in a way similar to dust, pollen and fine particulate matter from vehicle exhausts. Frank Jordans, Anchorage Daily News, "The atmosphere is carrying microplastics into the Arctic, scientists say," 15 Aug. 2019 The research demonstrated the fragments may become airborne in a way similar to dust, pollen and fine particulate matter from vehicle exhausts. Washington Post, "Pure as snow? Scientists say air carrying plastics to Arctic," 15 Aug. 2019 Thermal power generation accounts for 80% of India’s industrial emissions of particulate matter and sulphur and nitrous oxides, which often create toxic smog and cause lung diseases. Kuwar Singh, Quartz India, "Cleaning up its coal power plants will cost India $10 billion—but who will pay?," 7 Aug. 2019 In addition to eye and respiratory tract irritation, this particulate matter — PM2.5 in scientific shorthand — can exacerbate heart and lung issues, including asthma and chronic obstructive pulmonary disease, and may lead to premature death. Mark Kreidler, Los Angeles Times, "Alarmed by dense wildfire smoke, Californians are snapping up home air purifiers," 5 Aug. 2019 The metropolitan area experienced 114 days in 2016 when levels of either ozone or particulate matter hit unsafe levels, according to a report from Environment Maryland. Justin Worland, Time, "President Trump Condemned Baltimore as 'Disgusting.' His Administration’s Policies Aren't Exactly Helping," 31 July 2019

Recent Examples on the Web: Noun

In Anchorage, fine air particulates are measured in the Airport Heights neighborbood and in Eagle River. Jeff Parrott, Anchorage Daily News, "Smoky conditions expected to continue through the weekend in Southcentral Alaska," 28 June 2019 The southwest part of the state has the highest levels of ozone, and the metro and southeast had the most fine particulates. Christopher Magan, Twin Cities, "State health officials: Air pollution hurts Minnesotans in rural areas, too," 11 June 2019 According to CityLab, Notre Dame’s roof structure was clad in more than 400 tons of lead, which, when heated to a melting point, emitted plumes of smoke laden with toxic particulates that showered the neighboring areas with a fine dust. Liz Stinson, Curbed, "Notre Dame restoration halted amid lead contamination concerns," 1 Aug. 2019 Heavy-duty diesels spew out nearly 60 percent of smog-forming oxides of nitrogen (NOx) emissions and more than 80 percent of fine diesel particulate matter (PM 2.5) emitted in California from all on-road sources. Odessa Lefrancois, The Mercury News, "Opinion: California’s trucks should be smog-checked like cars," 25 June 2019 Air problems from particulates have cropped over the years from western fires but not regularly, Praedel said. Lee Bergquist, Milwaukee Journal Sentinel, "Ontario wildfires have created unsafe air quality in some areas of Wisconsin," 8 July 2019 While Jakarta ranked 160th out of thousands of cities for overall air pollution in the 2018 World Air Quality Report by IQAir Air Visual, the average amount of hazardous PM 2.5 particulates in the air rose more than 50% between 2017 and 2018. Ben Westcott, CNN, "Angry citizens sue Indonesian government over growing air pollution," 2 July 2019 Residents from Anchorage to Willow on Tuesday reported hazy skies, the smell of smoke and sore throats from the particulates in the air. Zaz Hollander, Anchorage Daily News, "Wind shift gives crews fighting Peninsula wildfire time to bolster Sterling Highway defenses," 25 June 2019 The Center for Urban Forest Research says 100 trees remove 14 tons of carbon dioxide a year as well as pollutants like ozone and particulates from the atmosphere. San Diego Union-Tribune, "La Mesa wins grant for urban forestry, will plant hundreds of trees," 28 June 2019

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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Statistics for particulate

Last Updated

2 Sep 2019

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Time Traveler for particulate

The first known use of particulate was in 1870

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par·​tic·​u·​late | \ pär-ˈtik-yə-lət How to pronounce particulate (audio) \

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

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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