Share this entry

Share this page

pentoxide

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

Definition of pentoxide in English:

noun

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

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day prepotent
Pronunciation: prɪˈpəʊt(ə)nt
adjective
greater than others in power or influence