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A chemical compound containing four oxygen atoms per molecule.


(tɛˈtrɒksaɪd) or


(Elements & Compounds) any oxide that contains four oxygen atoms per molecule: osmium tetroxide, OsO4.


(tɛˈtrɒk saɪd, -sɪd)

an oxide whose molecule contains four atoms of oxygen.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetroxide - an oxide containing four atoms of oxygen in the molecule
oxide - any compound of oxygen with another element or a radical
References in periodicals archive ?
Normally rcss use hydrazine and dinitrogen tetroxide (nto) as propellants.
Tissues were prepared for Scanning Electron Microscopy (SEM) by washing in distilled water, post-fixation in osmium tetroxide 1% (OsO4) for 2 hours, and dehydration using ethanol solutions with increasing concentrations (from 50%) until reaching the critical point (QUORUM/K850).
25% gluteraldehyde, post-fixed in 1% osmium tetroxide, dehydrated in an ethanol series, critical point dried using C[O.
Then, the samples were rinsed three times with phosphate buffer (10 ml) and post-fixed in 1% Osmium tetroxide (Os[O.
Another portion of these fragments was fixed in paraformaldehyde 4% and postfixed in osmium tetroxide, processed for histological technique routine, and subjected to cross sections of 5 [micro]m, for performing the morphometric analysis [16].
Other parts of the samples were fixed in 3% glutaraldehyde, postfixed in 1% osmium tetroxide, dehydrated through serial alcohol baths, and embedded in Epon 812 (Electron Microscopy Sciences, USA).
1M sodium cacodylate) osmium tetroxide, dehydrated through a graded ethanol series, and embedded in Spurr's resin.
Osmium powder has typical characteristic smell of that of the osmium tetroxide.
1) Their work examined electron density profiles measured from transmission electron micrographs of porcine stratum comeum prepared using ruthenium tetroxide.