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carbon

[kahr-buh

Example Sentences Origin

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noun

Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal. Symbol: C; atomic weight: 12.011; atomic number: 6; specific gravity: (of diamond) 3.51 at 20°C; (of graphite) 2.26 at 20°C.

carbon dioxide or other carbon compounds that are emitted into the atmosphere and cause rising temperatures: the carbon produced by burning fossil fuels.

carbon copy.

a sheet of carbon paper.

Electricity.

the carbon rod through which current is conducted between the electrode holder and the arc in carbon arc lighting or welding.

the rod or plate, composed in part of carbon, used in batteries.

adjective

pertaining to or noting the element carbon or any of its compounds, especially carbon dioxide: to reduce carbon emissions.

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Carbon is always a great word to know.

So is guanine. Does it mean:

purine base, fundamental constituent of DNA and RNA when paired with cytosine

electrons are shared evenly

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Origin:
1780–90; < French carbone, coinage based on Latin carbōn- (stem of carbō) charcoal

Related forms

car·bon·less, adjective

non·car·bon, noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To carbon

Example Sentences

Carbon capture and sequestration has been a missing piece in eliminating greenhouse gases.

The university touts the power as renewable and carbon neutral.

Under a carbon tax such transfers must go through the government's budget.

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Carbon capture and sequestration has been a missing piece in eliminating greenhouse gases.

The university touts the power as renewable and carbon neutral.

Under a carbon tax such transfers must go through the government's budget.

The greenhouse effect accounts for global climate change, and carbon dioxide is one of the chief greenhouse gases responsible.

The round-shaped tip of a carbon nanotube fools a cell into ingesting it, to death.

Over millions of years, carbon is brought up from the interior and emitted into the atmosphere as carbon dioxide by volcanoes.

They also consume carbon dioxide, which helps keep water clear.

Hot water discovered around a giant carbon star requires a new theory for the chemistry around stars to be explained.

Trees, natural carbon sponges, help keep heat-trapping carbon dioxide out of the atmosphere.

Both candidates endorse the cap-and-trade method for reducing carbon emissions.

Australia's plans for cutting carbon emissions are welcome, if imperfect.

Follow households around the world as they try to slim their carbon footprints.

Carbon dioxide is part of nearly everything humans do.

Moreover, sampling ink free of carbon from the parchment on which it sits is currently beyond our abilities.

They also provide oxygen for fish and consume carbon dioxide, which helps keep water clear.

Carbon nanotubes could buttress brittle or broken human bones.

The rush to go on a carbon diet, even if by proxy, is in overdrive.

So roughly half of the paper in our bookcases is sequestered carbon dioxide.

Businesses with small carbon footprints, such as banks and retailers, promised to go carbon-neutral.

Your carbon footprint measures the total amount of greenhouse gases emitted as a result of your daily activities.

In the carbon market, a good deal for the environment needs to also be a good deal for the bottom line.

As the yeast feeds on the sugar, it will produce carbon dioxide that will slowly fill the balloon.

The cut flower industry has a huge carbon foot print.

Driving less, switching to a hybrid or ditching the car entirely are sure-fire ways to reduce your carbon footprint.

Their tax advice included eliminating corporate loopholes and imposing a carbon tax.

Getting their carbon emissions under control will let rockers return with a clean conscience to more interesting vices.

Carbon dioxide and other gases that trap heat in the atmosphere are called greenhouse gases.

Carbon has been clobbered in the headlines lately for its link to global warming and pollution.

The warming oceans lost carbon dioxide to the atmosphere.

Wynton chose carbon steel mesh and let it rust into near invisibility.

But carbon dioxide is also absorbed in oceans and taken up by terrestrial plants.

These resemble warts and may be removed by cryotherapy-freezing-using a metal probe cooled by a tank of carbon dioxide.

Britain has had an easy ride on cutting carbon emissions.

Carbon footprint refers to the impact your daily activities have on the level of carbon dioxide in the atmosphere.

Levels of atmospheric carbon dioxide, a potent greenhouse gas, have been on the upswing over the last century.

Those two experiences synergized into designing and building carbon fiber bicycle frames.

Many of the actions you take on a daily basis can measured by their carbon footprint.

Transportation is the fastest-growing source of emissions of carbon dioxide.

Fallen leaves represent some of the carbon dioxide that was taken up this year.

Start-up companies and researchers are working on technology to put carbon right back into gas tanks.

Carbon nanotubes--tiny strawlike cylinders of pure carbon--have interesting electrical properties.

As such, it is critical to accurately record the layer and type of soil where the carbon remains are found.

Calculating the carbon footprint of a bus requires a few basic lines of thought.

Current carbon capture technology would nearly double the cost of coal, if employed.

Another group of bacteria consume the methane and turn it into carbon dioxide.

Your carbon footprint represents your total greenhouse gas emissions over a given period of time.

Adding carbon dioxide to the atmosphere is akin to raising taxes.

As green plants die and fall to the ground or sink to the ocean floor, a small fraction of their organic carbon is buried.

Others, made of iron phosphate covered in carbon nanotubes, form the positive poles.

Cars are a major source of atmospheric carbon dioxide, the main greenhouse gas that causes global warming.

If the energy for that came from renewable sources, engines that burned the fuel would emit no new carbon.

The low-cost, inefficient plants have helped make the country the single largest emitter of carbon dioxide by some estimates.

Together they take in air from the atmosphere, oxygenate the blood, and excrete the carbon dioxide back out of the body.

Reducing your home's carbon footprint can be worth it, for the environment and the pocketbook.

Can carbon capture and storage save the climate from the consequences of fossil fuel.

Reports of carbon credit fraud and abuse are piling.

Buy enough offsets, and you can claim to be carbon neutral.

It measures how many tons of carbon dioxide you create every year.

Machines could absorb carbon dioxide from the atmosphere, slowing or even reversing its rise and reducing global warming.

Avant-green market traders are going beyond mere carbon offsets.

In the endeavor to reduce greenhouse emissions, carbon capture and storage technology continues to generate a lot of interest.

And as carbon dioxide goes into the leaves and wood, water vapor is released.

Heating the country releases nearly eight times more carbon over the same period.

When many victims of carbon monoxide poisoning are sent home from the hospital, their problems are far from over.

Hooked on fossil fuels, humans pump carbon dioxide into the atmosphere.

Executives and lobbyists press legislators for free allowances to emit carbon dioxide in order to avoid higher electric.

The carbon dioxide cartridges lasted a long while, and the carbonated water was incredibly versatile.

One involves the precise form in which the carbon in the ground is distributed.

The amount of carbon dioxide in our atmosphere is causing heat to be trapped, thereby contributing to global warming.

Carbon conducts electricity, has a high resistance and can be shaped into thin filaments.

The army is beginning to measure and reduce its carbon footprint, as part of a broader emphasis on the costs of climate change.

It is foolish to cite population and carbon emissions as the only statistics used to determine the value of a nation or a people.

Trees have a nifty biochemical strategy called photosynthesis that enables them to take carbon dioxide in through their leaves.

That's the concept behind your carbon footprint, which is one method of measuring the.

But seeing a plane that is made entirely of carbon fiber and nanotube-impregnated carbon fiber would be phenomenal.

Three technologies lead the pack for capturing the carbon dioxide in coal while also harnessing the energy.

He does have lots of stock in that carbon credit company he founded, though.

Such measures could both save people and companies money, and save the planet from a chunk of carbon emissions.

The discovery offers proof that it would be possible to sequester carbon dioxide deep below the seabed, researchers say.

The first carbon tax to reduce the greenhouse gases from imports comes not between two nations, but between two states.

It is also supposed to sequester carbon in the form of an agriculturally useful char to balance whatever carbon dioxide it emits.

Carbon emissions may not be all that matters to the planet.

Conjugatethose religious people who argue against evolution or carbon dating are simply wrong.

Climate change is a negative externality, and the carbon emissions that generate it are easily targetable.

Alaska's marine animals have an unexpected nutrient in their diets: ancient carbon from glacier melt, a new study says.

New research shows that long, needle-thin carbon nanotubes could lead to lung cancer.

Though diamonds are nothing more than carbon crystals, the sparkly rocks have been idolized as symbols of wealth and power for.

These carbon particles in the patented carbon cleaning pad are what absorb the fingerprint oil on your iDevice.

Its carbon fiber frame and unique geometry make slamming headlong.

It has become increasingly likely that the tuna you are buying is bright red because it has been sprayed with carbon monoxide.

Find out how your carbon footprint compares to other average carbon footprints around the world.

Scientists continue to create new uses for carbon nanotubes, those tiny cylinders comprised of pure carbon.

It takes about four years to work off the carbon footprint of a solar panel.

The impact of having a child on a woman's carbon footprint vastly outweighs other energy-saving behaviors, a new study suggests.

Learn about the methodology behind our interactive carbon calculators.

One way to combine the right amount of carbon with iron is in the smelting of the iron ore.

It can also perform a similar conversion on carbon dioxide, converting it to carbon monoxide and oxygen.

Carbon dioxide is probably the best known greenhouse gas, but methane.

The author was probably too caught up in fantasizing about junk science called carbon emissions.

Scientists have been tinkering with carbon nanotubes for decades, and this year the work has paid off.

The current technology to capture carbon from power plant emissions may not.

Diamonds are merely crystallized carbon and today they can be created economically in a lab.

Scientists have for the first time detected carbon and oxygen in the atmosphere of a planet beyond our solar system.

Through photosynthesis, phytoplankton also take carbon dioxide out of the water and release oxygen as a by-product.

By absorbing carbon dioxide, forests are thought to help reduce the rate of global warming.

Mature forests in colder climes may continue to store more carbon than they emit, thereby helping to stave off global warming.

My understanding of the carbon dating method is that it is used to date objects that have once been alive.

Carbon monoxide reduces the amount of oxygen available to breathe.

Excess nitrogen mitigates carbon dioxide's effects--but with considerable risk, scientists.

There are rational arguments against saying that global warming is caused by man's polluting the atmosphere with carbon dioxide.

See how much carbon is put into the atmosphere by your household appliances- and see what you can do about.

Researchers use carbon nanotubes and electricity to coax the growth of stronger, bone-cushioning tissue.

The process is sustainable, carbon neutral and economical.

Take our interactive quiz and see how much you know about carbon emissions and how to reduce them.

Concern about carbon dioxide emissions lurk behind rejection of new coal-fired power plants.

Take our interactive quiz and see how reducing your carbon load can help the planet.

To control emissions, countries must first account accurately for their carbon.

The current level of carbon dioxide in the atmosphere is higher than it has been at any point in.

It's one thing to know that excessive carbon emissions are bad.

The carbon molecule known as a buckyball, a member of the fullerene family, can act as a cage for a variety of other chemicals.

COLLAPSE

Collins

World English Dictionary

carbon (ˈkɑːb^ən)

—n
1.	a. a nonmetallic element existing in the three crystalline forms: graphite, diamond, and buckminsterfullerene: occurring in carbon dioxide, coal, oil, and all organic compounds. The isotope carbon-12 has been adopted as the standard for atomic wt; carbon-14, a radioisotope with a half-life of 5700 years, is used in radiocarbon dating and as a tracer. Symbol: C; atomic no: 6; atomic wt: 12.011; valency: 2, 3, or 4; relative density: 1.8--2.1 (amorphous), 1.9--2.3 (graphite), 3.15--3.53 (diamond); sublimes at 3367±25°C; boiling pt: 4827°C
	b. (as modifier): a carbon compound
2.	carbon paper short for carbon copy
3.	a carbon electrode used in a carbon-arc light or in carbon-arc welding
4.	a rod or plate, made of carbon, used in some types of battery

[C18: from French carbone, from Latin carbō charcoal, dead or glowing coal]

'carbonous

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

carbon

1789, coined 1780s in Fr. by Lavoisier as charbone, from L. carbo (gen. carbonis) "glowing coal, charcoal," from PIE base *ker- "heat, fire, to burn" (cf. L. cremare "to burn;" Skt. krsna "black, burnt," kudayati "singes;" Lith. kuriu "to heat," kartas "hot," krosnis "oven;" O.C.S. kurjo "to smoke,"

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krada "fireplace, hearth;" Rus. ceren "brazier;" O.H.G. harsta "roasting;" Goth. hauri "coal;" O.N. hyrr "fire;" O.E. heorð "hearth"). Carbon 14, long-lived radioactive isotope used in dating organic deposits, is from 1936. Carbon dating (using carbon 14) is recorded from 1958. Carbon cycle is attested from 1912. Carbon footprint was in use by 2001. Carbon paper (soon to be obsolete) is from 1895.

COLLAPSE

American Heritage

Medical Dictionary

carbon car·bon (kär'bən)
n.
Symbol C
A nonmetallic element occuring in many inorganic and in all organic compounds, existing as graphite and diamond and as a constituent of coal, limestone, and petroleum, and capable of chemical self-bonding to form a number of important molecules. Atomic number 6; atomic weight 12.01115; sublimation point above 3,500°C; melting point 3,550°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4.

American Heritage

Science Dictionary

carbon (kär'bən) Pronunciation Key
Symbol C
A naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life. Diamonds and graphite are pure forms, and carbon is a major constituent of coal, petroleum, and natural gas. Carbon generally forms four covalent bonds with other atoms in larger molecules. Atomic number 6; atomic weight 12.011; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See Periodic Table.

carbonaceous adjective

American Heritage

Cultural Dictionary

carbon definition

A chemical element; its symbol is C. The carbon nucleus has six protons and six or more neutrons; six electrons are in orbit around the carbon nucleus. (See hydrocarbons and organic molecules.)

Note: Carbon forms the basis for all living tissue.

Encyclopedia Britannica

Encyclopedia

Carbon

county, eastern Pennsylvania, U.S., flanked to the north by the Pocono Mountains and to the south by Blue Mountain and located midway between the cities of Wilkes-Barre and Allentown. It consists of a mountainous region lying largely in the Appalachian Ridge and Valley physiographic province. The principal waterways are the Lehigh River and Tobyhanna, Quakake, Nesquehoning, Mahoning, Lizard, and Aquashicola creeks, as well as Penn Forest and Wild Creek reservoirs. State parks include Hickory Run, Lehigh Gorge, and Beltzville, which surrounds Beltzville Lake. The Appalachian National Scenic Trail follows the ridgeline of Blue Mountain

Learn more about Carbon with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Matching Quote

"Education at school continues what has been done at home: it crystallizes the optical illusion, consolidates it with book learning, theoretically legitimizes the traditional trash and trains the children to know without understanding and to accept denominations for definitions. Astray in his conceptions, entangled in words, man loses the flair for truth, the taste for nature. What a powerful intellect must you possess, to be suspicious of this moral carbon dioxide and with your head swimming already, to hurl yourself out of it into the fresh air, with which, into the bargain, everyone round is trying to scare you!"

-Alexander Herzen

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