Diametric
Part of speech: adjective
Definition: directly opposite of or relating to a diameter; diametral
Diametrical
Part of speech: adjective
Definition: Of or pertaining to a diagonalCompletely opposed
Diametric as an adjective is directly opposite while Diametrical as an adjective is of or pertaining to a diagonal
Part of speech: adjective
Definition: directly opposite of or relating to a diameter; diametral
Part of speech: adjective
Definition: Of or pertaining to a diagonalCompletely opposed
We hope you now know whether to use Diametric or Diametrical in your sentence.