- having pistons moving inward and outward from a central point or shaft: a radial engine; a radial pump.
- noting a bearing designed primarily to take thrusts radial to the center of rotation.
Origin of radial
Examples from the Web for radial
The chimneys, except for the octagonal red-brick base, are constructed of the radial perforated bricks.The New York Subway|Anonymous
When a radial face or surface is convex, it is said to be rounding or round, and when it is concave it is said to be hollow.Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
The hand deviates to the radial side, and thereby still further increases the prominence caused by the lower end of the ulna.
The propeller at B is simply a tin disc with radial cuts, each sector being twisted at an angle by a pair of pliers.Toy-Making in School and Home|Ruby Kathleen Polkinghorne and Mabel Irene Rutherford Polkinghorne
Pores regular, oblong, disposed regularly in sixty to eighty radial series; fourteen to sixteen on the radius.
British Dictionary definitions for radial
Word Origin for radial
Word Origin and History for radial
c.1400, "of or like a ray or radius," from Medieval Latin radialis, from Latin radius "shaft, rod; spoke of a wheel; beam of light" (see radius). As a noun, a type of tire, attested from 1965, short for radial-ply (tire). Related: Radially.