
Carbon dioxide - Wikipedia
Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at normally-encountered concentrations it …
DIOXIDE | English meaning - Cambridge Dictionary
DIOXIDE definition: 1. a chemical substance consisting of two atoms of oxygen combined with one atom of another…. Learn more.
DIOXIDE Definition & Meaning - Merriam-Webster
Nov 2, 2024 · The meaning of DIOXIDE is an oxide (such as carbon dioxide) containing two atoms of oxygen in the molecule.
Carbon dioxide | Definition, Formula, Uses, & Facts | Britannica
Dec 9, 2024 · Carbon dioxide, a colorless gas having a faint sharp odor and a sour taste. 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.
Dioxide - definition of dioxide by The Free Dictionary
Define dioxide. dioxide synonyms, dioxide pronunciation, dioxide translation, English dictionary definition of dioxide. n. A compound with two oxygen atoms per molecule.
Carbon Dioxide - Center for Science Education
Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold. However, an increase in CO 2 concentrations in our atmosphere is causing average global temperatures to …
DIOXIDE Definition & Meaning | Dictionary.com
an oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO 2 , or nitrogen dioxide, NO 2 .
CARBON DIOXIDE Definition & Meaning - Merriam-Webster
Mar 23, 2025 · : a heavy colorless gas CO2 that is formed especially by the burning and breaking down of organic substances (as in animal respiration), is absorbed from the air by plants in photosynthesis, and has many industrial uses.
What is Carbon dioxide (CO₂)? - myclimate
Feb 25, 2025 · Carbon dioxide (CO₂) is a colourless and odourless gas that is a natural component of the air and part of the global carbon cycle. It plays an important role in photosynthesis, in which plants convert CO₂ into oxygen.
Carbon Dioxide (CO2) - Definition, Structure, Preparation, Uses ...
Jul 11, 2024 · Carbon dioxide, often abbreviated as CO₂, is a covalent compound made of carbon and oxygen. In simpler terms, it’s a kind of gas that forms when carbon atoms bond closely with two oxygen atoms. This bonding happens in a special way called covalent bonding, where the atoms share electrons with each other.