Resembling or shaped like a deltoid; having the qualities of something kite-shaped or triangular.
From 'deltoid' + the suffix '-al' (meaning relating to or characterized by). This adjective form emphasizes the shape or properties characteristic of a deltoid.
Deltoidal shapes are common in nature—from the way some fish fins are structured to architectural arches. Engineers love this shape because it distributes stress efficiently, which is why you'll find it in everything from bridges to bicycle frames!
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