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diametric

/daɪəˈmɛtɹɪk/ adjective

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about diametric at Wordnik → Where our words come from →

  1. Directly opposing.
    In some religions, good and evil are considered diametric opposites.
  2. Of or relating to a diameter; diametral.

Origin

1802, probably shortened from diametrical (1550s).

From Wiktionary, via Kaikki.org (CC BY-SA)