半径 (bànjìng) means 'radius' in English, referring specifically to the distance from the center of a circle to any point on its circumference. It is commonly used in mathematics and physics but can also appear in everyday contexts when discussing round objects or spatial dimensions.
HSK 7, 16 strokes, Hard
bànjìng(ban4jing4) T4
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May 27, 2026
半径bànjìng(ban4jing4)
半径 (bànjìng) means 'radius' in English, referring specifically to the distance from the center of a circle to any point on its circumference. It is commonly used in mathematics and physics but can also appear in everyday contexts when discussing round objects or spatial dimensions.
Strokes16Frequency#—DifficultyHard
Cultural Note
In Chinese education, mathematics is emphasized from an early age, and understanding concepts like 半径 is crucial for advanced studies in science and engineering.
Memory Tip
Think of a 'ban' (半) that is dividing a circle in half, with 'jìng' (径) sounding like 'jing' which is a clear path. Visualize drawing a line from the center of a pizza to the edge to remember that the radius is half of the diameter.
About 半径
半径Simplified
16Strokes
—Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank
HSK 3.0L7AdvancedCEFRC2
Podcast: 半径
Podcast: 半径
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AI Study Notes for 半径
Quick Contrast
直径 (zhíjìng) — use 半径 when referring to the radius, which is half the distance of the diameter (直径) of a circle.
Memory Mnemonic
Think of a 'ban' (半) that is dividing a circle in half, with 'jìng' (径) sounding like 'jing' which is a clear path. Visualize drawing a line from the center of a pizza to the edge to remember that the radius is half of the diameter.
Usage Notes
Learners often confuse 半径 with 直径 (zhíjìng), which means 'diameter.' Remember that 半径 is always half the size of the diameter. This term is more commonly used in formal contexts, such as academic discussions or scientific texts.
HSK Study Tips
At HSK Level 7, focus on understanding not only the definition but also the application of 半径 in problem-solving and real-world scenarios. Connecting it to related mathematical terms such as 圆 (circle) and 直径 can enhance comprehension.
Cultural Note
In Chinese education, mathematics is emphasized from an early age, and understanding concepts like 半径 is crucial for advanced studies in science and engineering.
Common Mistakes
Learners sometimes mistakenly use 半径 when they mean 直径, leading to confusion. For example, saying '这个圆的半径是10厘米' when they intended to say '这个圆的直径是10厘米' (The diameter of this circle is 10 cm).
AI-enhanced 2026-05-27
Pronunciation of 半径
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Cultural Notes for 半径
🏮Cultural insight
In Chinese education, mathematics is emphasized from an early age, and understanding concepts like 半径 is crucial for advanced studies in science and engineering.
Frequently Asked Questions about 半径
It is pronounced as bànjìng, with the first syllable 'bàn' having a falling tone and 'jìng' having a falling tone as well.
While it is primarily used in academic contexts, you can use it when discussing anything circular, like wheels or pizzas.
The opposite concept is 直径 (zhíjìng), which refers to the diameter of the circle.
