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道Nihongo Path
径

径·diameter, path

On-yomi
ケイ
Kun-yomi
none

By Nihongo PathUpdated

Stroke order

Write it in this order; the numbers mark where each stroke starts.

8 strokes, numbered in writing order. Data: KanjiVG (CC BY-SA 3.0).

Common words

WordReadingMeaning
直径ちょっけいdiameter
半径はんけいradius
口径こうけいcaliber, bore
小径しょうけいnarrow path, lane

Example sentences

  1. この円の直径は十センチです。

    このえんのちょっけいはじっセンチです。

    The diameter of this circle is ten centimeters.

  2. 駅から半径一キロ以内に店が三軒ある。

    えきからはんけいいちキロいないにみせがさんげんある。

    There are three shops within a one-kilometer radius of the station.

Similar-looking kanji

Do not confuse these on the exam.

Common mistakes

  • Reading 直径 as ちょくけい — it doubles to ちょっけい
  • Writing 直経 instead of 直径 — 経 is a different kanji

Memory aid

Picture it

The going radical 彳 marks a path; a straight path cut across a circle is its diameter.

Vocabulary using this kanji

Quick check

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What does the kanji 径 mean?