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)
{i} act of shortening, act of cutting short; quality of being truncated; leaving out of unaccented syllables at the beginning or end of a line (Literature)
the act of cutting short; "it is an obvious truncation of the verse"; "they were sentenced to a truncation of their limbs" 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)
The replacement of an edge or solid angle by a plane, especially when the plane is equally inclined to the adjoining faces