凸线

Traditional form:

凸線

Pinyin (reading):

tūxiàn

Definitions:

• convex curve

Characters:

• 凸 - to protrude, to bulge out; convex
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 凸 - to protrude, to bulge out; convex
• 線 - line, thread, wire; clue, trail