tilting

Etymology

verb

1. present participle and gerund of tilt

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.

adj

1. (mathematics) Having the property that it is the quotient of a projective module by a projective submodule, having an ext functor 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.