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ultra
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ultra vires
ultrabasic
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ultrashort
ul·tra·short [ ùltrə sháwrt ]


adjective 
Definition:
 
1. shorter than 10 m: describes wavelengths that are shorter than 10 meters
2. extremely short: extremely short in length or duration
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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