tetroxide

[te-trok-sahyd, -sid]

noun

Chemistry.

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

tetroxide

/ tɛˈtrɒksɪd, tɛˈtrɒksaɪd /

noun

1. any oxide that contains four oxygen atoms per molecule

   osmium tetroxide, OsO4

Word History and Origins

Origin of tetroxide¹

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.

Read more on New York Times

Orange clouds in the video might be toxic hydrazine and nitrogen tetroxide, which fuel the rocket’s first stage.

Read more on Nature

The elevated levels of nitrogen tetroxide around Crew Dragon reinforce the necessity of keeping the splashdown area clear throughout the recovery process, he added.

Read more on Scientific American

Not content with that, Prof Poliakoff and Mr Barnes then placed a second new fiver in a beaker and filled it with "fuming nitric acid" - a "witches' brew" of nitric acid plus dinitrogen tetroxide.

Read more on BBC

Police allege that Phillips possessed osmium tetroxide for a dangerous purpose.

Read more on Washington Post