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Adjacent Words

Pentland Firth
Pentland Hills
pentlandite
pentobarbital
pentobarbital sodium
pentobarbitone
pentode
Pentoic
Pentone
pentosan
pentose
Pentothal
pentoxifylline
Pentremite
Pentremites
Pentroof
Pentrough
pentstemon
pentyl
pentylenetetrazol
Pentylic
penuche
penuchle
Penuel
Penult

pentoxide definitions

WordNet (r) 3.0 (2005)

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

Merriam Webster's

noun Etymology: International Scientific Vocabulary Date: 1869 an oxide containing five atoms of oxygen in the molecule

Webster's 1913 Dictionary

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



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