Definition of pentoxide in English:
An oxide containing five atoms of oxygen in its molecule or empirical formula.
- Glass-forming substances are usually silica, boric oxide, phosphorous pentoxide, or feldspars.
- In one method, naphthalene is oxidized with vanadium pentoxide to give phthalic anhydride.
- The thin covering is composed of alternating layers of silicon dioxide and tantalum pentoxide.
Definition of pentoxide in:
- British & World English dictionary
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