渦うず糸いとMeanings1nounvortex filament; vortex lineTechnical term in fluid dynamics and physics for a line-like vortex structure.超ちょう流りゅう動どう体たい中ちゅうでは、渦うず糸いとが量りょう子し化かされた循じゅん環かんを持もつ。In superfluids, vortex filaments have quantized circulation.