#1
diametric a. [
diametral, diametrical] related to or along a diameter; "the diametral plane"
. wn #2
diametric s. [
diametrical, opposite, polar] characterized by opposite extremes; completely opposed; "in diametric contradiction to his claims"; "diametrical (or opposite) points of view"; "opposite meanings"; "extreme and indefensible polar positions"
. wn