symmetrical gangrene sym·met·ri·cal gangrene (sĭ-mět’rĭ-kəl)
Gangrene affecting the extremities of both sides of the body; seen especially in severe arteriosclerosis, myocardial infarction, and ball-valve thrombus.
adjective 1. characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts. 2. Geometry. noting two points in a plane such that the line segment joining the points is bisected by an axis: Points (1, 1) and (1, −1) are symmetrical with respect to the x-axis. […]
noun, Mathematics. 1. the union of the relative complements of two sets.
noun, Mathematics. 1. a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
noun, Mathematics. 1. the group of all permutations of a finite set.