Nihoner

“Vortex line” in Japanese

Short answer
渦糸 uzuito うずいと

Vortex line in Japanese is “渦糸” (uzuito). Full meaning: vortex filament, vortex line.

Other ways to say “Vortex line” in Japanese

Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.