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

Some of the nitrogen tetroxide appears to have permeated through Teflon seals and interacted with moisture on the other side to produce nitric acid, Mr. Vollmer said.

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

Three characteristic oxides of cobalt are known, the monoxide, CoO, the sesquioxide, Co2O3, and tricobalt tetroxide, Co3O4; besides these there are probably oxides of composition CoO2, Co8O9, Co6O7 and Co4O5.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various