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zoisite
zol
Zollinger-Ellison syndrome
Zollverein
zombie
zombie drone
zombification
zombify
zona pellucida
zonal
zonal soil
zonary
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zone defense
zone melting
zone of saturation
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zircon
zir·con [ zúr kòn ]


noun 
Definition:
 
hard mineral containing zirconium: a very hard zirconium silicate mineral. Use: source of zirconium, gems.
[Late 18th century. < German Zirkon]
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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