oxide

American  

[ok-sahyd, -sid] / ˈɒk saɪd, -sɪd /

Also oxid

noun

Chemistry.

1. a compound in which oxygen is bonded to one or more electropositive atoms.

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oxide British  

/ ˈɒksaɪd /

noun

1. any compound of oxygen with another element

2. any organic compound in which an oxygen atom is bound to two alkyl or aryl groups; an ether or epoxide

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oxide Scientific  

/ ŏk′sīd′ /

1. A compound of oxygen and another element or radical. Water (H ₂ O) is an oxide.

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Other Word Forms

• oxidic adjective

Etymology

Origin of oxide

First recorded in 1780–90; from French (now oxyde ), blend of ox(ygène) oxygen and (ac)ide acid

Example Sentences

The cells produced much less nitric oxide, which helps blood vessels relax and widen, and more endothelin-1, which causes vessels to tighten.

From Science Daily

Chief among them is getting the right mix of calcium oxide and its proprietary binding agent, so the pellets effectively store energy while holding their shape over many charge-discharge cycles.

From The Wall Street Journal

However the increase in concentrations of heat-trapping greenhouse gases -- carbon dioxide, methane and nitrous oxide -- "to their highest level in at least 800,000 years" has "upset this equilibrium", the WMO said.

From Barron's

"In our study, we show that isolated indium atoms on hafnium oxide allow more efficient CO2-based methanol synthesis than indium in the form of nanoparticles containing large numbers of atoms."

From Science Daily

Burning them releases carbon monoxide, nitrogen oxides and fine particles that penetrate the lungs and bloodstream.

From BBC