tetroxide

American  

[te-trok-sahyd, -sid] / tɛˈtrɒk saɪd, -sɪd /

noun

Chemistry.

1. an oxide whose molecule contains four atoms of oxygen.

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tetroxide British  

/ tɛˈtrɒksɪd, tɛˈtrɒksaɪd /

noun

1. any oxide that contains four oxygen atoms per molecule

   osmium tetroxide, OsO4

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Etymology

Origin of tetroxide

First recorded in 1865–70; tetr- + oxide

Example Sentences

Mr. Vollmer said the problem occurred among 24 valves that control the flow of nitrogen tetroxide, a propellant used by Starliner’s thrusters.

From New York Times • Aug. 13, 2021

Figure 13.2 illustrates fundamental equilibrium concepts using the reversible decomposition of colorless dinitrogen tetroxide to yield brown nitrogen dioxide, an elementary reaction described by the equation:

From Textbooks • Feb. 14, 2019

For secondary fixation, we used 2% osmium tetroxide in 1.25% sodium bicarbonate for 2–3 h at room temperature.

From Nature • May 20, 2014

Sometime that morning, massive tanks of aerozene 50 and nitrogen tetroxide would mix and explode in the belly of the Titan, producing an eruptive thrust of 430,000 lbs. and hurling the men into orbit.

From Time • Oct. 14, 2013

The residue is a white infusible powder, and consists of antimony tetroxide, Sb2O4, containing 78.94 per cent. of the metal.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius