dioxide

American

[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, MnO 2 , or nitrogen dioxide, NO 2 .

dioxide British

/ 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

"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

dioxide Scientific

/ dī-ŏk′sīd /

A compound containing two oxygen atoms per molecule.

Etymology

Origin of dioxide

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It has been estimated that a typical cremation has a footprint equivalent to about 320kg of carbon dioxide- Alkaline hydrolysis is found to result in the emission of seven times less CO2.

From BBC

Laboratory research has demonstrated that these compounds can form when icy dust grains containing methanol or blends of carbon dioxide and ammonia are exposed to ultraviolet light or gentle heating.

From Science Daily

That iron would fuel blooms of microscopic algae, which absorb heat trapping carbon dioxide as they grow.

From Science Daily

Power plant stacks emitted more sulfur dioxide, nitrogen oxide and carbon dioxide last year, according to an analysis of government data.

From The Wall Street Journal

First, environmental conditions during the Mesozoic were different, with warmer global temperatures and higher carbon dioxide levels.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023