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Definition of Radial-ply
1. Adjective. Of or relating to automobile tires that have a strip under the tread and relatively little stiffening in the sidewalls. "Radial-ply tires" 
Partainyms: Pneumatic Tire
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1. Adjective. Of or relating to automobile tires that have a strip under the tread and relatively little stiffening in the sidewalls. "Radial-ply tires"