礁 (jiāo): reef, shoal rock

礁 (jiāo) is a Chinese character meaning “reef.” Classified as HSK Level 7-9 (HSK 3.0 Standard, CLEC 2022), it is composed of 石 (semantic) and 焦 (phonetic). It ranks #2721 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 礁 rock. Its radical form 石 (stone) appears in many related characters such as 确 (què, certain, true), 碗 (wǎn, bowl), 碰 (pèng, to touch, to bump).

Spoken pronunciation

Definitions

  1. reef
  2. shoal rock

Etymology & Origin

礁

pictophoneticrock

Decomposition: ⿰石焦 (layout: left-right)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

Practice writing 礁 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
暗礁nounàn jiāosubmerged reef (rock)
礁石nounjiāo shíreef
珊瑚礁nounshān hú jiāocoral reef
触礁verbchù jiāo(of a ship) to strike a reef
比基尼环礁bǐ jī ní huán jiāoBikini Atoll in the Marshall Islands, former US nuclear test site in the Pacific
斯卡伯勒礁sī kǎ bó lè jiāoScarborough Shoal (Philippines' name for Huangyan Island)
礁湖星云jiāo hú xīng yúnLagoon Nebula, M8
大堡礁proper-noundà bǎo jiāoGreat Barrier Reef, Queensland, Australia
环礁nounhuán jiāoatoll
礁岛jiāo dǎoreef island
牛轭礁proper-nounniú è jiāoNiu'e Reef, disputed territory in the South China Sea, claimed by China, Vietnam and the Philippines, aka Whitsun Ree...
礁湖nounjiāo húlagoon
堡礁nounbǎo jiāobarrier reef
浅礁qiǎn jiāoshallow reef
14
Total compounds
29
As first character
71
As last character
0
As middle character

礁 appears in 14 compound words: 29 as the first character, 71 as the last, and 0 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 礁 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

岩yán
0.5383,144 co-occurrences
溪xī
0.5002,178 co-occurrences
藻zǎo
0.485514 co-occurrences
石shí
0.4684,296 co-occurrences
环huán
0.4581,772 co-occurrences
岛dǎo
0.4481,626 co-occurrences
触chù
0.441520 co-occurrences
息xī
0.4201,540 co-occurrences
峭qiào
0.40288 co-occurrences
浅qiǎn
0.401222 co-occurrences

Example Sentences

AI-Generated

礁字虽然难写,但意思很有趣。

jiāo zì suī rán nán xiě , dàn yì sī hěn yǒu qù .

Though the character "礁" is difficult to write, its meaning is quite interesting.

UdnnewsindexMar 2026

...征召韩莹参选宜兰市长 民进党劝进吴亚蓁战礁溪乡长

. . . zhēng zhào hán yíng cān xuǎn yí lán shì cháng mín jìn dǎng quàn jìn wú yà 蓁 zhàn jiāo xī xiāng cháng

...The Democratic Progressive Party has nominated Han Ying to run for mayor of Yilan and is encouraging Wu Ya-jen to run for mayor of Jiaoxi Township

WorldjournalMar 2026

解放军指菲飞机闯入美济礁附近空域 已警告驱离

jiě fàng jūn zhǐ 菲 fēi jī chuǎng rù měi jì jiāo fù jìn kōng yù yǐ jǐng gào qū lí

The PLA claims that a Philippine aircraft entered the airspace near Mischief Reef and has been warned and driven away

東方日報Mar 2026

...208型机未经允许 非法闯入中国南沙美济礁附近空域

. . . 2 0 8 xíng jī wèi jīng yǔn xǔ fēi fǎ chuǎng rù zhōng guó nán shā měi jì jiāo fù jìn kōng yù

...A Type 208 aircraft illegally entered the airspace near Meiji Reef in China's Nansha Islands without authorization

三立新聞網Mar 2026

三婚又触礁?洪荣宏驳婚变:我们一切都好

sān hūn yòu chù jiāo ? hóng róng hóng bó hūn biàn : wǒ men yī qiē dōu hǎo

Marriage No. 3 Hit a Snag? Hong Ronghong Denies Rumors of a Breakup: "We're Doing Just Fine"

Nownews今日新聞Feb 2026

泰国斯米兰海底珊瑚礁缠“幽灵渔网” 潜水员清除逾2吨废弃渔具

tài guó sī mǐ lán hǎi de 珊 瑚 jiāo chán yōu líng yú wǎng qián shuǐ yuán qīng chú yú 2 dūn fèi qì yú jù

Divers in the submarine coral reef of Similan, Thailand, wrapped in "ghost fishing nets" Divers removed more than 2 tons of discarded fishing gear

Tatoeba

珊瑚礁是这个地区的主要景点。

Shānhújiāo shì zhège dìqū de zhǔyào jǐngdiǎn.

The coral reef is the region's prime attraction.

Character Family

Semantic Family — Characters sharing the 石 (rock) component

Homophones — Characters pronounced jiāo

Frequently Asked Questions

What does 礁 (jiāo) mean in Chinese?
礁 (jiāo) primarily means "reef." It is classified as HSK Level 7-9, making it an expert-level character. It ranks #2721 in character frequency.
What's the difference between 礁 and 瞧?
礁 (jiāo) and 瞧 (qiáo) are often confused. confusable. The key distinguishing feature: 石 vs 目 (same 焦 component).
How many strokes does 礁 have?
礁 is written with 17 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 礁?
The radical associated with 礁 is 石 (stone). This radical appears in many characters related to stone.
What are the components of 礁?
礁 is composed of: 石 (semantic), 焦 (phonetic). Its IDS decomposition is ⿰石焦 with a left-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 礁?
Common words with 礁 include: 暗礁 (àn jiāo, "submerged reef (rock)"); 礁石 (jiāo shí, "reef"); 珊瑚礁 (shān hú jiāo, "coral reef"); 触礁 (chù jiāo, "(of a ship) to strike a reef"); 比基尼环礁 (bǐ jī ní huán jiāo, "Bikini Atoll in the Marshall Islands, former US nuclear test site in the Pacific"). There are over 14 compound words containing this character.
What characters sound the same as 礁 (jiāo)?
Several characters share the pronunciation jiāo: 蕉 (banana), 教 ((bound form) to teach), 交 (to hand over), 叫 (to call, to be called), and 4 more. Context and tones help distinguish between them in speech and writing.
Is 礁 the same in simplified and traditional Chinese?
Yes, 礁 is written the same way in both simplified and traditional Chinese.

Practice writing 礁 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.