MSN home
Mail
My MSN
encarta
greeting cards
encarta
®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
protractor
protrude
protrusile
protrusion
protrusive
protuberance
protuberant
protuberate
protyle
proud
proustite
Prov.
prov.
prove
proven
provenance
Provençal
Also available:
World English Dictionary
Dictionnaire Français
protoxide
pro·tox·ide
[
prō tók sd
]
noun
Definition:
oxide with lowest proportion of oxygen:
an oxide of an element that has the lowest proportion of oxygen of all the oxides of that element
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
MSN Privacy
Legal
Advertise
Feedback
Help
© 2009 Microsoft