Dioxide

//daɪˈɒksaɪd// noun

noun ·Uncommon ·Advanced level

Definitions

Noun

1
Any oxide containing two oxygen atoms in each molecule. countable, uncountable
"Discoid lesions and minor subacute involvement may be controlled by freezing with carbon dioxide or a course of atabrine."
2
an oxide containing two atoms of oxygen in the molecule wordnet

Synonyms

alcohol binoxide chemical deutoxide

Antonyms

Example

"That would lead to the production of more carbon dioxide, the main gas responsible for global warming."

Etymology

From di- + oxide.

Related phrases

americium dioxide berkelium dioxide calcium dioxide carbon dioxide carbon dioxide snow cerium dioxide chlorine dioxide chromium dioxide curium dioxide germanium dioxide hafnium dioxide hydrogen dioxide

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.