Tangential

[Sarah]

Of or pertaining to a tangent; in the direction of a tangent.Tangential force (Mech.), a force which acts on a moving body in thedirection of a tangent to the path of the body, its effect being toincrease or diminish the velocity; -- distinguished from a normalforce, which acts at right angles to the tangent and changes thedirection of the motion without changing the velocity.-- Tangential stress. (Engin.) See Shear, n., 3.

[Sonia]

of or along a tangent

[Marquetta]

Relating to or along a tangent.