dioxide

Definition

Any oxide containing two oxygen atoms in each molecule.

Etymology

From di- + oxide.

Example Sentences

• "Discoid lesions and minor subacute involvement may be controlled by freezing with carbon dioxide or a course of atabrine."
• "Kruban is a tidally-locked Venusian hothouse, its surface perpetually obscured by clouds of sulfur and carbon dioxides."
• "Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy."