Definition of "diametral" []

• Of, relating to, or measured across a diameter. (adjective)
• Contrary; diametrically opposed. (adjective)
• A diameter. (noun)

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• "They are the diametral opposite of a dream ticket."
• "· D fuses (Diazed fuses - diametral two-step Edison screw)"
• "Supposing you wanted to know the number of teeth in a gear where the pitch diameter and the diametral pitch are given."