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.
For editors and proofreaders
Definition of pentoxide in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.