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Opelousas
open
open account
open admissions
open adoption
open-air
open-and-shut
open bar
open book
open-cast
open chain
open circuit
open classroom
open cluster
open contract
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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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