— diametrically , adv.
/duy'euh me"tri keuhl/ , adj.
1. of, pertaining to, or along a diameter.
2. in direct opposition; being at opposite extremes; complete: diametrical opposites; a diametrical difference.
Also, diametric .
[ 1545-55; diametrik ( ós ) ( diámetr ( os ) DIAMETER + -ikos -IC) + -AL 1 ]