螺旋

Traditional form:

螺旋

Pinyin (reading):

luóxuán

Definitions:

• spiral
• helix
• screw

Characters:

• 螺 - spiral shell, conch; spiral
• 旋 - to revolve, to orbit, to return

Traditional characters:

• 螺 - spiral shell, conch; spiral
• 旋 - to revolve, to orbit, to return