pentoxide

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pent·ox·ide

 (pĕnt-ŏk′sīd′)
n.
A compound having five atoms of oxygen combined with another element.

pentoxide

(pɛntˈɒksaɪd)
n
(Elements & Compounds) an oxide of an element with five atoms of oxygen per molecule

pent•ox•ide

(pɛnˈtɒk saɪd)

n.
an oxide containing five atoms of oxygen, as phosphorus pentoxide, P2O5.
[1860–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pentoxide - an oxide containing five atoms of oxygen in the molecule
oxide - any compound of oxygen with another element or a radical
References in periodicals archive ?
Transformation of niobium and tantalum pentoxides according to reaction (1) in the reductive plasma stream of hydrogen and the production of metallic powders in the form of a condensed dispersed phase are a result of simultaneous complicated physico-chemical processes.
The new Combustor solves the problem of (V2O5) Vanadium Pentoxide deposits on Combustion Turbine Blades and Vanes by converting the Vanadium Pentoxide into Vanadium Tetroxide in a high melting form that would eliminate Vanadium Pentoxides build-up/deposit and reduce corrosion.
In the "out-of-furnace" process of the reduction of niobium and tantalum pentoxides the rate of the temperature growth is in the range of 10-30 K/s [15].