The meaning of DIOXIDE is an oxide (such as carbon dioxide) containing two atoms of oxygen in the molecule.

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 …

DIOXIDE definition: 1. a chemical substance consisting of two atoms of oxygen combined with one atom of another…. Learn more.

DIOXIDE definition: 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 . See …

Dec 31, 2025 · 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 …

Definition of dioxide noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

May 21, 2025 · Highlights Each year, human activities release more carbon dioxide into the atmosphere than natural processes can remove, causing the amount of carbon dioxide in the atmosphere to …

Sep 25, 2025 · Carbon dioxide (CO2) is an important greenhouse gas. Greenhouse gases trap the heat from sunlight, warming the planet. Without any greenhouse gases, Earth would be too cold to …

Define dioxide. dioxide synonyms, dioxide pronunciation, dioxide translation, English dictionary definition of dioxide. n. A compound with two oxygen atoms per molecule. American Heritage® Dictionary of …

Nov 17, 2025 · Atmospheric carbon dioxide (CO₂) concentration is measured in parts per million (ppm). Long-term trends in CO₂ concentrations can be measured at high-resolution using preserved air …