Radial-ply refers to a type of tire construction where the tire cords are arranged perpendicular to the tire's circumference, resulting in better handling and stability on the road. There are several synonyms for radial-ply that can be used interchangeably, including radial tires, radial construction, radial technology, and radial design. These terms all refer to the same type of tire construction and are commonly used in the automotive industry. Additionally, radial-ply may also be referred to as radial-ply bias tires or simply radial-bias. Regardless of the specific terminology used, radial-ply tires are a popular choice among drivers due to their superior performance and durability.