dioxide

[ dahy-ok-sahyd, -sid ]

/ daɪˈɒk saɪd, -sɪd /

noun Chemistry.

an oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO2, or nitrogen dioxide, NO2.

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Words nearby dioxide

diouf, diovular, diovulatory, dioxan, dioxane, dioxide, dioxin, dioxygenase, dip, dip circle, dip fault

Origin of dioxide

First recorded in 1840–50; di-¹ + oxide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dioxide

Lead when present is precipitated on the spiral in the form of a dark powder of dioxide (PbO2).
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
It can also be obtained by passing sulphuretted hydrogen through a solution of the dioxide in hydrochloric acid.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7|Various
In Fremys process for separating osmium from the residues of platinum ore, ruthenium occurs in a dioxide.
Cooley's Practical Receipts, Volume II|Arnold Cooley
The dioxide is used in incandescent gas mantles (see Lighting).
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7|Various

It is possible to separate the dioxide from the water by fractional distillation.
An Elementary Study of Chemistry|William McPherson

British Dictionary definitions for dioxide

dioxide

/ (daɪˈɒksaɪd) /

noun

any oxide containing two oxygen atoms per molecule, both of which are bonded to an atom of another element

another name for a peroxide (def. 4)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for dioxide

dioxide

[ dī-ŏk′sīd ]

n.

A compound containing two oxygen atoms per molecule.

Science definitions for dioxide

dioxide

[ dī-ŏk′sīd ]

A compound containing two oxygen atoms per molecule.