DIOXIDE

dioxide

(noun) an oxide containing two atoms of oxygen in the molecule

Source: WordNet® 3.1


Etymology

Noun

dioxide (countable and uncountable, plural dioxides)

(chemistry) Any oxide containing two oxygen atoms in each molecule.

Source: Wiktionary


Di*ox"ide (; 104), n. Etym: [Pref. di- + oxide.] (Chem.) (a) An oxide containing two atoms of oxygen in each molecule; binoxide. (b) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide. [Obs.] Carbon dioxide. See Carbonic acid, under Carbonic.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

10 May 2025

BEATIFY

(verb) declare (a dead person) to be blessed; the first step of achieving sainthood; “On Sunday, the martyr will be beatified by the Vatican”


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