Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. At standard temperature and pressure, the density of carbon dioxide is around 1.98 kg/m 3, about 1.5 times that of air.. carbon dioxide meaning: 1. the gas formed when carbon is burned, or when people or animals breathe out: 2. the gas formed…. 'All Intensive Purposes' or 'All Intents and Purposes'? Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition It is a greenhouse gas, but it is a minor component of Earth’s atmosphere, formed in combustion of carbon-containing materials, in fermentation, in respiration of animals, and employed by plants in the photosynthesis of carbohydrates. Definition of carbon-dioxide noun in Oxford Advanced Learner's Dictionary. Carbon dioxide is a colorless, odorless gas found in our atmosphere. Published by Houghton Mifflin Company. Carbon dioxide is a perfectly natural molecule that commonly occurs on Earth. A colorless, odorless gas that is present in the atmosphere and is formed when any fuel containing carbon is burned. For example, the global warming potential for methane over 100 years is 21. Carbon dioxide formed during respiration is excreted by the lungs. Carbon dioxide is also used in refrigeration, fire extinguishers, and carbonated drinks. Your blood carries carbon dioxide to your lungs. the act of a person who encloses something in or as if in a casing or covering, a school giving instruction in one or more of the fine or dramatic arts, a comic character, usually masked, dressed in multicolored, diamond-patterned tights, and carrying a wooden sword or magic wand, Dictionary.com Unabridged What made you want to look up carbon dioxide? Abbreviated CO2. Carbon dioxide (CO 2) is the primary anthropogenic greenhouse gas responsible for global warming. It is often referred to by its formula CO2. How to use a word that (literally) drives some pe... Test your knowledge of the words of the year. Under all conditions found naturally on Earth, CO2 is an invisible, odorless gas. Meaning of ***carbon dioxide. Volvo Tests Ultra-Efficient Plug-in Hybrid-Electric Diesel Bus. Carbon dioxide is a colorless, odorless gas formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates. Can you spell these 10 commonly misspelled words? It is breathed out of an animal's lungs during respiration, is produced by the decay of organic matter, and is used by plants in photosynthesis. Definition: Carbon dioxide equivalent is a measure used to compare the emissions from various greenhouse gases based upon their global warming potential. How Do You Spell Chanukah (Or Is It Hanukkah)? Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. All rights reserved. Then air-rejuvenator apparatus reseparated it from the carbon-dioxide you exhaled, so that you could use it over and over. Information and translations of ***carbon dioxide in the most comprehensive dictionary definitions resource on the web. Carbon dioxide makes up about 0.03 percent of the air. See the full definition for carbon dioxide in the English Language Learners Dictionary, More from Merriam-Webster on carbon dioxide, Britannica.com: Encyclopedia article about carbon dioxide. Formula: CO. A colorless, odorless, incombustible gas formed during respiration, combustion, and organic decomposition and used in inert atmospheres, fire extinguishers, and aerosols. Which of the following words shares a root with. If your language skills aren’t already top-notch, then this vocab quiz can get you up to speed! Residential natural gas consumption accounts for about 250 million metric tons of, Butter ranks third, below beef and lamb, for, Carbon taxing is a policy that imposes a fee on, The production of each bottle generates 2.2 pounds of, Retiring the Braunig and Sommers natural gas plants would reduce, Utilities have almost singlehandedly driven down, With Americans driving less in the wake of the pandemic, ethanol plants shut down, resulting in a shortage of, Post the Definition of carbon dioxide to Facebook, Share the Definition of carbon dioxide on Twitter. You breathe out carbon dioxide and breathe in oxygen all day, every day, without thinking about it. It is breathed out of an animal's lungs during respiration, is produced by the decay of organic matter, and is used by plants in photosynthesis. Slight as that amount is, … Carbon dioxide is a colourless, odourless gas and is one of the chief waste products of tissue metabolism. English Language Learners Definition of dioxide chemistry : a molecule that has two atoms of oxygen and one atom of another element (such as carbon) See the full definition for dioxide in the English … n. 1. Accessed 12 Dec. 2020. It is a gas at standard temperature and pressure and exists in Earth's atmosphere in this state, as a trace gas at a concentration of 0.039 per cent by volume. Carbon dioxide, a colorless gas having a faint sharp odor and a sour taste. Learn more. Plants use carbon dioxide to make food.This process is called photosynthesis. The New Dictionary of Cultural Literacy, Third Edition 'Nip it in the butt' or 'Nip it in the bud'? It is a waste product made by your body. At higher concentrations it has a sharp, acidic odor. Also, every time something organic is burnt (or a fire is made), it makes carbon dioxide. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. Published by Houghton Mifflin Harcourt Publishing Company. Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms. A compound in which an atom of carbon is linked to two atoms of oxygen (CO2 ). carbon dioxide - a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis carbonic acid gas , CO2 blackdamp , chokedamp - the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. And if the buses are fueled with biodiesel, carbon-dioxide emissions would be cut by 90 percent. Carbon dioxide (CO 2) is a chemical compound.It is a gas at room temperature.It is made of one carbon and two oxygen atoms.People and animals release carbon dioxide when they breathe out. Plants and other photoautotrophs use solar energy to produce carbohydrate from atmospheric carbon dioxide and water by photosynthesis. “Affect” vs. “Effect”: Use The Correct Word Every Time. 2 people chose this as the best definition of carbon-dioxide: The definition of carbon... See the dictionary meaning, pronunciation, and sentence examples. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Carbon dioxide makes up less than 1% of the atmosphere; however, it is an important greenhouse gas. Carbon monoxide burns in the air with a blue flame, forming carbon dioxide. Global warming - Global warming - Carbon dioxide: Of the greenhouse gases, carbon dioxide (CO2) is the most significant. Carbon dioxide: A gas which is the byproduct of cellular metabolism and which collects in the tissues, is cleared from the tissues by the blood within the veins, is carried by the hemoglobin in the red blood cells, and removed from the body via the lungs in the exhaled air. Definition of carbon dioxide : a heavy colorless gas CO2 that does not support combustion, dissolves in water to form carbonic acid, is formed especially in animal respiration and in the decay or combustion of animal and vegetable matter, is absorbed from the air by plants in photosynthesis, and is used in the carbonation of beverages The carbon dioxide definition is far more simple than its environmental implications would have you think. They contained a carbon-dioxide cartridge and could be inflated simply by squeezing them, which punctured the cartridge. 2) is an important trace gas in Earth's atmosphere. We Asked, You Answered. “Carbon dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20dioxide. carbon dioxide cycle synonyms, carbon dioxide cycle pronunciation, carbon dioxide cycle translation, English dictionary definition of carbon dioxide cycle. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis. All rights reserved. The Dictionary.com Word Of The Year For 2020 Is …. Describe 2020 In Just One Word? Carbon monoxide burns in the air with a blue flame, forming carbon dioxide. Definition of ***carbon dioxide in the Definitions.net dictionary. At low concentrations, the gas is odorless. carbon dioxide. What Is An Em Dash And How Do You Use It? Copyright © 2011. It occurs naturally in Earth's atmosphere as a trace gas. A compound made up of molecules containing one carbon atom and two oxygen atoms. A colorless, odorless gas that is present in the atmosphere and is formed when any fuel containing carbon is burned. Define carbon dioxide cycle. Carbon dioxide is a colorless, odorless gas formed during respiration, the decomposition and combustion of organic … Send us feedback. Carbon dioxide has no liquid state at pressures below 5.1 standard atmospheres (520 kPa). Carbon dioxide is a molecule that contains two oxygen atoms and one carbon atom. It is an integral part of the carbon cycle, a biogeochemical cycle in which carbon is exchanged between the Earth's oceans, soil, rocks and the biosphere. Its chemical formula is CO2 , which means it is one carbon atom bonded to two oxygen atoms. a colorless, odorless, incombustible gas, CO, a colourless odourless incombustible gas present in the atmosphere and formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates: used in carbonated drinks, fire extinguishers, and as dry ice for refrigeration. Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005. Why Do “Left” And “Right” Mean Liberal And Conservative? The Most Insincere Compliments And What To Say Instead. It’s also known as CO2 because it takes two atoms of oxygen and one of carbon to make carbon dioxide. Although carbon dioxide is a naturally occurring gas, it is also released into the atmosphere as a result of: The American Heritage® Stedman's Medical Dictionary Carbon dioxide is also given off in the burning of. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carbon dioxide.' Please tell us where you read or heard it (including the quote, if possible). Its chemical formula is CO 2. What does ***carbon dioxide mean? Michael Alberty | For The Oregonian/oregonlive, We Got You This Article on 'Gift' vs. 'Present'. Depressions in the carbon-dioxide snow where the hundred-foot pad-feet of ships' landing-legs had pressed down. Definition of carbon dioxide written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Test Your Knowledge - and learn some interesting things along the way. Each molecule of carbon dioxide consists of one atom of carbon and two atoms of oxygen. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Natural sources include volcanoes, hot springs and geysers, and it is freed from carbonate rocks by dissolutionin water and acids. The American Heritage® Science Dictionary It can be found as a gas in the air, or as a solid in the form of dry ice, which is very cold. Because carbo… What Is The Difference Between “It’s” And “Its”? Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 53% higher than that of dry air. Learn a new word every day. Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. “Crow” vs. “Raven”: Do You Know The Difference? carbon dioxide definition: 1. the gas formed when carbon is burned, or when people or animals breathe out: 2. the gas formed…. Published by Houghton Mifflin Harcourt Publishing Company. Carbon dioxide (CO2) is an odorless, colorless gas. Delivered to your inbox! But the planetesimal hypothesis has no room for this enormous percentage of carbon-dioxide in the primitive atmosphere. The current concentration is about 0.04% (412 ppm) by volume, having risen from pre-industrial levels of 280 ppm. Carbon … carbon dioxide. A carbon dioxide (CO 2) fire extinguisher is a portable, active fire protection device that works by expelling carbon dioxide onto a fire.It works by displacing the oxygen the fire relies upon to continue burning, and it is primarily used to extinguish fires in which the source of the fuel is … A CO2 blood test measures the amount of carbon dioxide in your blood. In the U-boat there were potash cartridges to take up the carbon-dioxide, and tanks of pure oxygen to revitalize the air. A tax designed to mitigate or remove the negative externalities of carbon emission, a carbon tax is a type of Pigovian tax. A colorless gas, carbon dioxide has a faint, sharp odor and a slightly sour taste. A colourless, odourless gas produced by burning carbon and organic compounds and by respiration. Carbon dioxide (CO2) is released into Earth’s atmosphere mostly by the burning of carbon-containing fuels and the decay of wood and other plant matter. Learn more. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Carbon dioxide is colorless. Natural sources of atmospheric CO2 include outgassing from volcanoes, the combustion and natural decay of organic matter, and respiration by aerobic (oxygen-using) organisms. As CO2 because it takes two atoms of oxygen and one of the air with a density 53... 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