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oops
Oort cloud
oose
oosphere
oospore
Oostende
ootid
ooze (1)
ooze (2)
ooze leather
oozy (1)
oozy (2)
OP
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opal
o·pal [ ṓp'l ]


noun 
Definition:
 
noncrystalline silica: a variously colored semiprecious stone that is a noncrystalline variety of silica. Use: gems.
[Late 16th century. Directly or via French< Latin opalus]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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