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How to say 'Radius' in Japanese | 半径

Wondering how to say 'Radius' in Japanese? You're in the right place!

The Japanese word for Radius is 'Hankei', written as 半径 in Japanese.'Radius' in hiragana is はんけい.

    word

    半径

    Meaning

    Radius

    Reading

    はんけい

    hankei

    Kanji

    Half Path, Diameter

    Explanation

    The Japanese noun '半径 (はんけい)' means 'radius'. It is used in mathematics and geometry to describe the distance from the center of a circle to its circumference. This term is also used in everyday contexts to describe the range or extent of something circular or spherical. For example: the radius of the circle is 5 meters「円の半径は5メートルです」(えんのはんけいはごメートルです). The explosion affected everything within a 10-kilometer radius「爆発は半径10キロメートル以内に影響を及ぼした」(ばくはつははんけいじゅっキロメートルいないにえいきょうをおよぼした).

    Part Of Speech

    noun

    Kanji JLPT

    N1

    Kanji Grade

    4

    Frequency

    7298

    Composition

    kanji

    Handwriting

Kanji in the Word 半径

This word contains 2 kanji characters:

  • kanji

    Meaning

    Half

  • kanji

    Meaning

    Path, Diameter

Words Related to 半径 Through the Kanji

These 15 Words contain the Kanji 半 as well.

  • word

    半月

    Meaning

    Half month

  • word

    半日

    Meaning

    Half day

  • word

    Meaning

    Half

  • word

    半分

    Meaning

    Half

  • word

    後半

    Meaning

    Second half

  • word

    半袖

    Meaning

    Short sleeve

  • word

    半ば

    Meaning

    Middle, Halfway

  • word

    半年

    Meaning

    Half year

  • word

    半島

    Meaning

    Peninsula

  • word

    大半

    Meaning

    Majority

  • word

    前半

    Meaning

    First half

  • word

    半身

    Meaning

    Half body

  • word

    半面

    Meaning

    Aspect

  • word

    半数

    Meaning

    Half

  • word

    半導体

    Meaning

    Semiconductor

Words Related to 半径 Through the Kanji

This Word contains the Kanji 径 as well.

  • word

    直径

    Meaning

    Diameter

Learn the Word 半径

Let's make sure you fully understand this word.

What does 'Hankei' (半径) mean?

'Hankei' means 'Radius' .

To help you master this word, here's an interactive lesson where you'll practice its readings and meanings.