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jumping jack
jumping mouse
jumping-off place
jumping-off point
jumping plant louse
jumping spider
jumpmaster
jumpstation
jumpy
Jun.
jun.
Junagadh
junco
junction
junction box
Junction City
junctional nevus
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jump up
jump up


intransitive verb 
Definition:
 
stand up quickly: to get to your feet immediately
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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