Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pentoxide
CIDE DICTIONARY
pentoxide, n. [Penta- + oxide.].
An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5 . [1913 Webster]
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