In a helicoid or spiral manner; in a way that forms or moves like a helix.
From helicoidal + -ly (adverb suffix). Takes the adjective and adds the adverb suffix to describe how something occurs in a helical manner.
Plant tendrils grow helicoidally—they spiral around supports with mathematical precision that helps them support the plant's weight while using minimal material, a principle engineers now copy in rope and cable design.
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