凸

tū

HSK 3.0 等级 7 形容词不太常见

释义

1. to stick out
2. protruding
3. convex
4. male (connector etc)
5. Taiwan pr. [tú]

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笔顺

5 画

词语关系

反义词

1 项

凹

āo

depressed

凸 means convex or protruding; 凹 means concave.

近义词

2 项

突出

tū chū

prominent

Both can mean protruding, but 突出 is more abstract for 'outstanding' as well.

隆起

lóng qǐ

to swell; to bulge

隆起 means to bulge or swell, similar physical protrusion.

用法说明

常见搭配

凸 often pairs with 凹 (concave) in descriptions of shapes or connectors; common collocation: 凹凸不平 (bumpy/uneven).

常见错误

Don't confuse 凸 (tū) with 突 (tū) when meaning 'protruding'—凸 is more concrete for shapes, while 突 means 'sudden' or 'charge' in other contexts.

例句

显示 1 条

这个盖子是凸的。

This lid is convex.

AI 生成的例句会用此图标标注。

包含凸的词语

to present clearly

concave or convex

convex on both sides (of lens)

to protrude

convex polytope

convex polygon

convex polyhedron

convexity

convexity

convex polygonal line

凸版

tū bǎn

relief printing plate

relief printing

to come to prominence

convex curve

flange

flange

convex

cam

camshaft

convex lens

rim

convex mirror

convex surface

convex mirror

convex body

uneven (surface)

embossing

crenelated

concavity (math.)

embossing

full moon

see 綠豆椪|绿豆椪[lu:4 dòu pèng]

scoliosis