Pentoxide

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pentoxide \Pen*tox"ide\, n. [Penta- + oxide.] (Chem.)
     An oxide containing five atoms of oxygen in each molecule;
     as, phosphorus pentoxide, {P2O5}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  pentoxide
       n : an oxide containing five atoms of oxygen in the molecule