凸镜

Traditional form:

凸鏡

Pinyin (reading):

tūjìng

Definitions:

• convex mirror

Characters:

• 凸 - to protrude, to bulge out; convex
• 镜 - mirror, glass; lens, glasses

Traditional characters:

• 凸 - to protrude, to bulge out; convex
• 鏡 - mirror, glass; lens, glasses