tangential stress

Webster's Dictionary (GCIDE)

1.A pair of shears; -- now always used in the plural, but formerly also in the singular. See Shears. [1913 Webster]

On his head came razor none, nor shear.— Chaucer.[1913 Webster]

Short of the wool, and naked from the shear.— Dryden.[1913 Webster]

2.A shearing; -- used in designating the age of sheep. [1913 Webster]

After the second shearing, he is a two-shear ram; . . . at the expiration of another year, he is a three-shear ram; the name always taking its date from the time of shearing.— Youatt.[1913 Webster]

3.(Engin.) An action, resulting from applied forces, which tends to cause two contiguous parts of a body to slide relatively to each other in a direction parallel to their plane of contact; -- also called shearing stress, and tangential stress. [1913 Webster]

4.(Mech.) A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction. [1913 Webster]

Shear blade, one of the blades of shears or a shearing machine.

Shear hulk. See under Hulk.

Shear steel, a steel suitable for shears, scythes, and other cutting instruments, prepared from fagots of blistered steel by repeated heating, rolling, and tilting, to increase its malleability and fineness of texture. [1913 Webster]

Tangential force (Mech.), a force which acts on a moving body in the direction of a tangent to the path of the body, its effect being to increase or diminish the velocity; -- distinguished from a normal force, which acts at right angles to the tangent and changes the direction of the motion without changing the velocity.

Tangential stress. (Engin.) See Shear, n., 3. [1913 Webster]