truncation

nouns

the property of being truncated or short
the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)
is derived from
is a type of (narrower)
removing parts from hard material to create a desired pattern or shape
the act of cutting short
"it is an obvious truncation of the verse"; "they were sentenced to a truncation of their limbs"
is derived from
is a type of (narrower)
act of decreasing in length
"the dress needs shortening"