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鈷 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
cobalt; clothes-ironx, 13 strokes, radical 釒, Very Hard
(gu3) T3
  1. 1cobalt; clothes-iron
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026
(gu3)

The character 鈷 (gǔ) refers primarily to cobalt, a chemical element used in various industrial applications and in the production of blue pigments. In some contexts, it can also refer to a clothes iron, reflecting its metallic nature and association with heat and metalwork.

Strokes13RadicalFrequency#—DifficultyVery Hard
Cultural Note

Cobalt has historical significance in Chinese ceramics, where it has been used to create the iconic blue-and-white porcelain that is highly valued both domestically and internationally.

Memory Tip

Imagine a cobalt blue iron (鈷) heating up to press clothes. The radical for metal (金) appears in the character, reminding you that this is a metal. 'Gǔ' sounds like 'goo', as in the gooey blue paint made from cobalt!

Meanings of 鈷

(gu3)
1cobalt; clothes-iron
Exercise 1 of 2

Listen & Choose the Meaning

Choose the correct answer:

About 鈷

Simplified
13Strokes
Radical
非语素字non-morpheme character (n-m.)Part of Speech
#—Frequency Rank

Podcast: 鈷

JasonAmy

Podcast:

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AI Study Notes for 鈷

Memory Mnemonic

Imagine a cobalt blue iron (鈷) heating up to press clothes. The radical for metal (金) appears in the character, reminding you that this is a metal. 'Gǔ' sounds like 'goo', as in the gooey blue paint made from cobalt!

Usage Notes

While 鈷 is not commonly used in everyday conversation, it appears in scientific contexts. Be careful not to confuse it with similar-sounding characters that refer to other metals. The tone is crucial; make sure to pronounce it with a falling tone (gǔ) to avoid misunderstandings.

HSK Study Tips

This character is not part of the HSK vocabulary list, but understanding it can enhance your knowledge of metals and elements. It connects to other science-related vocabulary, so focus on how it fits into discussions about chemistry or materials.

Cultural Note

Cobalt has historical significance in Chinese ceramics, where it has been used to create the iconic blue-and-white porcelain that is highly valued both domestically and internationally.

Common Mistakes

Learners often confuse 鈷 with similar characters like 锅 (guō), which means pot or pan. Make sure to remember that 鈷 specifically relates to cobalt and not cookware.

AI-enhanced 2026-03-24

Pronunciation of 鈷

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Etymology of 鈷

Formation Typepictophonetic
六书 ClassificationPhono-semantic (形声字)~80-90% of characters
Explanation

Phonosemantic compound. 钅 represents the meaning and 古 represents the sound. Simplified form of 鈷.

Memory Hint

metal

Semantic (meaning)
+
Phonetic (sound)
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Character Formation Type

What type of character formation is 鈷?

Decomposition of 鈷

IDS Structure⿰釒古
Full Character
=
jin1
left
Gu3
right
Exercise 1 of 2

Identify the Components

Which of these is a component of 鈷?

Write 鈷

Practice writing stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.

Write correctly 3 times to earn XP

Cultural Notes for 鈷

🏮Cultural insight

Cobalt has historical significance in Chinese ceramics, where it has been used to create the iconic blue-and-white porcelain that is highly valued both domestically and internationally.

Word Family of 鈷

Words Containing This Character1
Taiwan pr. [gū]
Exercise 1 of 1

Compound Meaning

What does 钴 mean?

Frequently Asked Questions about 鈷

You can say 鈷是一个重要的金属 (Cobalt is an important metal).