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triamcinolone
triangle
triangular
triangulate
triangulation
Triangulum
Triangulum Australe
triarchy
Triassic
triathlon
triatomic
triaxial
triazine
triazole
tribade
tribadism
tribal enrollment officer
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trial balloon
tri·al bal·loon (plural tri·al bal·loons)


noun 
Definition:
 
proposal for testing opinion: a tentative suggestion, proposal, or plan put forward to test opinion or reaction
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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