涡旋

Traditional form:

渦旋

Pinyin (reading):

wōxuán

Definitions:

• eddy
• vortex

Characters:

• 涡 - eddy, swirl, whirlpool
• 旋 - to revolve, to orbit, to return

Traditional characters:

• 渦 - eddy, swirl, whirlpool
• 旋 - to revolve, to orbit, to return