Relating to or having the nature of a curve; characterized by curved lines or surfaces.
From Latin 'curvus' (curved) + suffix '-al' (relating to). The Latin root likely derives from Proto-Indo-European, appearing in Old English 'cyrr' (turn).
This rare adjective shows how English borrows heavily from Latin to create precise scientific and technical terms—it's the kind of word you'd find in architecture or mathematics texts describing smooth, flowing designs.
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