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root hair
root knot
root mean square
root nodule
root out
root pressure
root rot
root system
root up
root vegetable
rootage
rooted
rootle
rootless
rootlet
roots rock
rootstalk
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root ball
root ball (plural root balls)


noun 
Definition:
 
mass of roots: the tightly packed mass of roots and soil produced by a plant, especially when grown in a container
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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