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actinouranium
action
action figure
action game
action group
action item
action man
action movie
action officer
action-packed
action painting
action potential
action replay
action spectrum
action stations
action to quiet title
actionable
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actino-
actino-


prefix 
Definition:
 
1. radial
actinomorphic
2. radiation
[< Greek aktin-, stem of aktis "ray"]
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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