[1] : The Collaborative International Dictionary of English v.0.48

shear \shear\, n. as. sceara. see shear, v. t.
   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
see also:
shear shears shearing stress tangential stress shear blade shear hulk 
hulk shear steel 

[2] : The Collaborative International Dictionary of English v.0.48

tangential \tangen"tial\, a. geom.
   of or pertaining to a tangent; in the direction of a tangent.
   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
see also:
tangential force tangential stress shear 

Stress >> S Words
Stress, definition of term: Stress
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Tangential >> T Words
Tangential, definition of term: Tangential
tangential_pag1.html

Stress Mark >> S Words
Stress Mark, definition of term: Stress Mark
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