Definition of pentoxide in English:

pentoxide

Syllabification: pent·ox·ide
Pronunciation: /penˈtäksīd
 
/

noun

Chemistry
An oxide containing five atoms of oxygen in its molecule or empirical formula.
More example sentences
  • 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:

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Word of the day flagitious
Pronunciation: fləˈdʒɪʃəs
adjective
(of a person or their actions) criminal; villainous