carbon

noun, often attributive
car·bon | \ˈkär-bən \

Definition of carbon 

1 : a nonmetallic chiefly tetravalent element found native (as in diamond and graphite) or as a constituent of coal, petroleum, and asphalt, of limestone and other carbonates, and of organic compounds or obtained artificially in varying degrees of purity especially as carbon black, lampblack, activated carbon, charcoal, and coke — see Chemical Elements Table

2 : a carbon rod used in an arc lamp

3a : a sheet of carbon paper

b : carbon copy

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Examples of carbon in a Sentence

a carbon of the document this new digital camera is a carbon of a well-known model costing almost twice as much

Recent Examples on the Web

If de-carbonizing energy production is the greatest challenge to humanity, nuclear, which generates roughly the same carbon output per energy unit as solar panels and windmills, will be a major part of the solution. Charles R. Morris, WSJ, "‘Energy’ Review: The Path to Power," 21 June 2018 This came just a few months after the president had pulled out of the 2015 global climate agreement reached in Paris, which committed the United States to drastically cutting its overall carbon output by 2025. Washington Post, latimes.com, "Internal memo suggested that White House 'ignore' federal scientists' climate research," 23 May 2018 This came just a few months after the president had pulled out of the 2015 global climate agreement reached in Paris, which committed the United States to cutting its overall carbon output by 26 percent to 28 percent below 2005 levels by 2025. The Washington Post, OregonLive.com, "In internal memo, White House considered whether to simply 'ignore' federal climate research," 23 May 2018 An editorial Thursday said the Nature Conservancy is among environmental supporters of a proposal from the Climate Leadership Council for a carbon tax to combat global warming. Chicago Tribune, chicagotribune.com, "Corrections and clarifications," 6 July 2018 British Columbia has already introduced a carbon tax (now C$35 a tonne). The Economist, "Doug Ford disrupts Canada’s climate policy," 28 June 2018 To meet the requirements of the act, the UK established a carbon tax in 2013. Katie Kosma, Longreads, "Mining Britain’s Recent Past to Save Our Future," 21 June 2018 Ford also pledged to scrap the province’s cap-and-trade program to reduce greenhouse gas emissions, setting up a showdown with Prime Minister Justin Trudeau, who has vowed to ensure every Canadian province adopts some form of carbon tax. Josh Wingrove, Bloomberg.com, "Ford's Conservatives Win Ontario Election on Populist Platform," 8 June 2018 Then, around March 2019, the instrument will unspool three 2-meter-long carbon-fiber antennas, each at right angles to the others. Daniel Clery, Science | AAAS, "China’s moon mission will probe cosmic dark ages," 16 May 2018

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

1788, in the meaning defined at sense 1

History and Etymology for carbon

French carbone, from Latin carbon-, carbo ember, charcoal

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Statistics for carbon

Last Updated

12 Oct 2018

Look-up Popularity

Time Traveler for carbon

The first known use of carbon was in 1788

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More Definitions for carbon

carbon

noun

English Language Learners Definition of carbon

: a chemical element that forms diamonds and coal and that is found in petroleum and in all living plants and animals

carbon

noun
car·bon | \ˈkär-bən \

Kids Definition of carbon

: a chemical element occurring as diamond and graphite, in coal and petroleum, and in plant and animal bodies

carbon

noun, often attributive
car·bon | \ˈkär-bən \

Medical Definition of carbon 

: a nonmetallic element found native (as in diamonds and graphite) or as a constituent of coal, petroleum, asphalt, limestone, and organic compounds or obtained artificially (as in activated charcoal) symbol C — see Chemical Elements Table

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