cement

noun
ce·​ment | \ si-ˈment How to pronounce cement (audio) also ˈsē-ment \

Definition of cement

 (Entry 1 of 2)

1a : concrete
b : a powder of alumina, silica, lime, iron oxide, and magnesium oxide burned together in a kiln and finely pulverized and used as an ingredient of mortar and concrete also : any mixture used for a similar purpose
2 : a binding element or agency: such as
a : a substance to make objects adhere to each other
b : something serving to unite firmly justice is the cement that holds a political community together— R. M. Hutchins
3 : cementum
4 : a plastic composition made especially of zinc or silica for filling dental cavities
5 : the fine-grained groundmass or glass of a porphyry

cement

verb
cemented; cementing; cements

Definition of cement (Entry 2 of 2)

transitive verb

1 : to unite or make firm by or as if by cement Pebbles were cemented together by clay. has cemented his role as a leader on the team— T. W. Smith
2 : to overlay with concrete cemented the cellar floor

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Other Words from cement

Verb

cementer noun

Synonyms for cement

Synonyms: Noun

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Examples of cement in a Sentence

Noun There is a layer of cement under the bricks. what kind of cement works best on glass and pottery? Verb A win would cement her reputation as a strong competitor.
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Recent Examples on the Web: Noun Most volunteers spent the morning picking up litter, but some worked with Quasebarth to weed and plant pansies in the cement planters at Lakewood City Center. Carol Kovach, cleveland, "Keep Lakewood Beautiful volunteers turn out to spruce up city," 26 Apr. 2021 On what usually might be a quiet Saturday in Corktown in April turned into a massive concrete operation involving 250 cement trucks at Michigan Central Station. Phoebe Wall Howard, Detroit Free Press, "'First pour like this': 250 trucks lay concrete at Michigan Central Station over 10 hours," 25 Apr. 2021 Inside and outside the building, a hurricane-proof concrete lasagna of laboratories, shallow, burbling tanks support up to 50,000 coral babies growing cement plugs the size of kitchen cabinet knobs. Adam Erace, Fortune, "Human intervention has been killing the Florida reef. But now human intervention is necessary to save it," 24 Apr. 2021 It was also constructed with traditional building supplies like stone and cement. Shanti Lerner, The Arizona Republic, "Phoenix Mystery Castle: 5 things you need to know," 23 Apr. 2021 Manufacturing cement emits carbon dioxide as part of cooking limestone. Russell Gold, WSJ, "Biden’s Pledge to Slash Emissions Would Require Big U.S. Changes," 23 Apr. 2021 After spending time with an archaeological team in Copán, Honduras, restoring Mayan ruins, he was inspired to use dry key construction, which requires no mortar or cement, to build pedestals for his figurative sculptures. Washington Post, "The Hudson Valley’s outdoor art parks make for an alluring pandemic destination," 23 Apr. 2021 Business and government need to accelerate low-carbon technology solutions for industrial sectors, such as cement, steel and aviation, which have lagged behind because necessary technologies have not reached commercial scale. CNN, "5 ways businesses can be more aggressive about climate change," 22 Apr. 2021 The nation’s cement, steel and chemical industries would adopt stringent new energy-efficiency targets. New York Times, "Biden Wants to Slash Emissions. Success Would Mean a Very Different America.," 22 Apr. 2021 Recent Examples on the Web: Verb Still, Tencent’s strong performance, particularly in its gaming business, helped Ma cement his position as China’s richest tech mogul, and its second richest personal overall (behind breakout bottled water billionaire Zhong Shanshan). Kenrick Cai, Forbes, "Here Are The Richest Tech Billionaires In 2021," 6 Apr. 2021 With few days left of his administration, Trump, a longtime advocate of the death penalty, is using his final days in office to cement his legacy as one of brutal violence against Black people. Erin Corbett, refinery29.com, "What To Know About Dustin Higgs, Who Is Scheduled To Be Killed By The US State Today," 14 Jan. 2021 Bourdain was taken from us far too soon, but there are over 100 episodes of this great show on HBO Max to further cement his legacy as one of humanity’s most empathetic traveling correspondents. Brian Tallerico, Vulture, "The 50 Best TV Shows on HBO Max," 13 Jan. 2021 The contracts, which will take effect in 2023 and run through the 2033 season, will cement the N.F.L.’s status as the country’s most lucrative sports league. New York Times, "N.F.L. Signs Media Deals Worth Over $100 Billion," 18 Mar. 2021 Democratic leaders made over a dozen late additions to their package, reflecting their need to cement unanimous support from all their senators — plus Vice President Kamala Harris’ tie-breaking vote — to succeed in the 50-50 chamber. Alan Fram, ajc, "By slimmest of margins, Senate takes up $1.9T relief bill," 4 Mar. 2021 Without hard work right now, evangelical Christianity will cement its place as the church of narrow American nativism. Charles King, Time, "I, Too, Was Once a Soldier of the Apocalypse: Why White Evangelicals Must Choose Between Reform and American Extremism," 1 Mar. 2021 But there are options available to the new Democratic-majority Congress that could help cement some of the changes that these companies have superficially taken. Nick Martin, The New Republic, "JPMorgan Chase and Amazon Discover Campaign Finance Reform by Way of Social Collapse," 12 Jan. 2021 Those skills have helped her fend off threats and cement her as leader of her party in the House since 2003, and seem likely to carry the day on Sunday, when the Constitution requires the new Congress to begin. Tim Darnell, ajc, "117th Congress to be sworn in Sunday, will certify Biden’s win Wednesday," 2 Jan. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cement.' 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 cement

Noun

14th century, in the meaning defined at sense 1a

Verb

14th century, in the meaning defined at transitive sense 1

History and Etymology for cement

Noun

Middle English sement, from Anglo-French ciment, from Latin caementum stone chips used in making mortar, from caedere to cut

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Time Traveler for cement

Time Traveler

The first known use of cement was in the 14th century

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Statistics for cement

Last Updated

29 Apr 2021

Cite this Entry

“Cement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cement. Accessed 9 May. 2021.

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More Definitions for cement

cement

noun

English Language Learners Definition of cement

 (Entry 1 of 2)

: a soft gray powder that is mixed with water and other substances to make concrete
: the hard substance that is made when cement is mixed with water and allowed to dry
: a substance that is used to make things stick together

cement

verb

English Language Learners Definition of cement (Entry 2 of 2)

: to join (things) together with cement
: to make (something) stronger

cement

noun
ce·​ment | \ si-ˈment How to pronounce cement (audio) \

Kids Definition of cement

 (Entry 1 of 2)

1 : a powder that is made mainly from compounds of aluminum, calcium, silicon, and iron heated together and then ground and mixed with water to make mortar and concrete
3 : a substance used to make things stick together firmly

cement

verb
cemented; cementing

Kids Definition of cement (Entry 2 of 2)

1 : to join together with or as if with cement There were sheets of ice … cementing the tops of the hemlocks in arches.— Jean Craighead George, My Side of the Mountain
2 : to make stronger The experience cemented their friendship.

cement

noun
ce·​ment | \ si-ˈment How to pronounce cement (audio) \

Medical Definition of cement

1 : cementum
2 : a plastic composition made especially of zinc or silica for filling dental cavities

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Comments on cement

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