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zodiac
zodiacal constellation
zodiacal light
zoetrope
zoftig
Zohar
-zoic
zoisite
zol
Zollinger-Ellison syndrome
Zollverein
zombie
zombie drone
zombification
zombify
zona pellucida
zonal
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zone out
zone out


intransitive verb 
Definition:
 
U.S. lose concentration: to lose focus or concentration ( slang )

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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