tilting

Noun

 * 1) The motion of something that tilts; a tilt.
 * 2) The process by which blister steel is rendered ductile by being forged with a tilt hammer.
 * 3) A charging with a lance, as in jousting.

Adjective

 * 1)  Having the property that it is the quotient of a projective module by a projective submodule, having an  with itself of 0, and there being a right module as the kernel of a surjective morphism between finite direct sums of its direct summands.