凸 (tū): to stick out, protruding, convex, male (connector etc), Taiwan pr.
凸 (tū) is a Chinese character meaning “to stick out.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), with radical 凵 (open mouth). It ranks #2668 in character frequency (SUBTLEX-CH corpus).
Etymologically derived, 凸 a rectangle with a bulge. Its radical form 凵 (open mouth) appears in many related characters such as 出 (chū, to go out), 击 (jī, to hit), 凶 (xiōng, terrible).
Definitions
- to stick out
- protruding
- convex
- male (connector etc)
- Taiwan pr.
Etymology & Origin
ideographicA rectangle with a bulge
Stroke Order
Practice writing 凸 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.
Words & Compounds
Common Compounds
| Word | Pinyin | Meaning |
|---|---|---|
| 凸显 | tū xiǎn | to present clearly |
| 凸出 | tū chū | to protrude |
| 凸起 | tū qǐ | convex |
| 凹凸 | āo tū | concave or convex |
| 凸现 | tū xiàn | to come to prominence |
| 凹凸不平 | āo tū bù píng | (idiom) uneven (surface) |
| 凸透镜 | tū tòu jìng | convex lens |
| 凸轮 | tū lún | cam |
| 凸面 | tū miàn | convex surface |
| 凸版 | tū bǎn | relief printing plate |
| 凸轮轴 | tū lún zhóu | camshaft |
| 凸多面体 | tū duō miàn tǐ | convex polyhedron |
| 凸多边形 | tū duō biān xíng | convex polygon |
| 凸面体 | tū miàn tǐ | convex body |
| 凸多胞形 | tū duō bāo xíng | convex polytope |
凸 appears in 39 compound words: 64 as the first character, 10 as the last, and 26 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.
Strongest Collocations
Characters that most frequently co-occur with 凸 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.
Idioms & Chengyu (3)
Example Sentences
我在字典里查到了凸字的详细解释。
wǒ zài zì diǎn lǐ chá dào le tū zì de xiáng xì xiè shì .
I looked up the detailed explanation of the character "凸" in the dictionary.
双男张腿憋尿勒肚子小腹凸的能锻炼核心吗?不推荐以此方式训练
shuāng nán zhāng tuǐ biē niào lè dù zǐ xiǎo fù tū de néng duàn liàn hé xīn ma ? bù tuī jiàn yǐ cǐ fāng shì xùn liàn
Can the "double-leg spread, holding in urine, and tightening the abdomen" exercise—where the lower abdomen protrudes—help strengthen the core? This method is not recommended for training.
双男张腿憋尿勒肚子小腹凸的和体脂有关吗?低体脂者凸出更明显吗
shuāng nán zhāng tuǐ biē niào lè dù zǐ xiǎo fù tū de hé tǐ zhī yǒu guān ma ? dī tǐ zhī zhě tū chū gēng míng xiǎn ma
Is it related to body fat when two men spread their legs, hold in their urine, and have a protruding lower abdomen? Is the protrusion more noticeable in people with low body fat?
双男张腿憋尿勒肚子小腹凸的要立即排尿吗?超2小时增加感染风险吗
shuāng nán zhāng tuǐ biē niào lè dù zǐ xiǎo fù tū de yāo lì jí pái niào ma ? chāo 2 xiǎo shí zēng jiā gǎn rǎn fēng xiǎn ma
Should men who feel the urge to urinate—with their legs spread apart, a tight sensation in the abdomen, and a protruding lower belly—urinate immediately? Does waiting more than two hours increase the risk of infection?
双男张腿憋尿勒肚子小腹凸的要收紧核心吗?反而增加膀胱压力不利
shuāng nán zhāng tuǐ biē niào lè dù zǐ xiǎo fù tū de yāo shōu jǐn hé xīn ma ? fǎn ér zēng jiā bǎng 胱 yā lì bù lì
Should I tighten my core when I’m a man sitting with my legs spread apart, holding in my urine, and feeling pressure in my lower abdomen? Or does that actually increase pressure on the bladder and do more harm than good?
...单身后衣着更大胆 穿吊带薄纱裙海边大晒凹凸有致身材
. . . dān shēn hòu yī zhe gēng dà dǎn chuān diào dài báo shā qún hǎi biān dà shài āo tū yǒu zhì shēn cái
... After being single, she dressed more boldly, wearing a suspender tulle skirt and a sunny figure on the beach
如果人生是凸的，那我们可以优化它。
Rúguǒ rénshēng shì tū de, nà wǒmen kěyǐ yōuhuà tā.
If human life is convex, we can optimize it.
他的体形生得很匀称！肩膀宽，腰身窄，肚子又没凸出来。
Tā de tǐxíng shēng dehěn yúnchèn! jiānbǎng kuān, yāo shēn zhǎi, dùzi yòu méi tūchū lái.
His body type is born balanced! Wide shoulders, slim waist, belly not popping outwards.
Character Family
Frequently Asked Questions
What does 凸 (tū) mean in Chinese?
What's the difference between 凸 and 母?
How many strokes does 凸 have?
What is the radical of 凸?
What are common words containing 凸?
What characters sound the same as 凸 (tū)?
Is 凸 the same in simplified and traditional Chinese?
Practice writing 凸 with real-time feedback
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