Relating to or of the nature of a diagraph; characterized by or used in diagraphic representation or reproduction.
From diagraph plus the suffix -ic meaning 'of or relating to.' This follows standard patterns for creating technical adjectives.
The -ic suffix transforms nouns into adjectives that describe essential qualities—'diagraphic' means 'relating to diagraphs' just as 'geographic' means 'relating to geography.' This suffix appears thousands of times in English, making it one of the most powerful word-building tools available.
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