凸缘

Traditional form:

凸緣

Pinyin (reading):

tūyuán

Definitions:

• flange

Characters:

• 凸 - to protrude, to bulge out; convex
• 缘 - reason, cause; fate; margin, hem

Traditional characters:

• 凸 - to protrude, to bulge out; convex
• 緣 - reason, cause; fate; margin, hem