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SILVER ERA · ことばを、少しずつ。
JLPT BANDN5 BEGINNER → N1 ADVANCED

半はん径けい

N2
はんけい hankei
  1. radius
noun

Chinese meanings

半径

Examples

  • 地球の半径は、約6,000キロです。
    Earth's radius is about six thousand kilometres.
    地球半径约六千公里。
  • 原点を中心とする半径2の円と,直線 y = x − 1 の交点を求めよ。
    Consider a circle of radius 2 centered at the origin. Find its points of intersection with the line y = x - 1.
    求以原点为中心、半径为二的圆与直线y=x−1的交点。
Use this entry in code
import { getVocabById } from 'kotowa';
getVocabById('efca806408'); // 半径
{
  "id": "efca806408",
  "word": "半径",
  "reading": "はんけい",
  "romaji": "hankei",
  "meanings": [
    "radius"
  ],
  "level": "N2",
  "pos": [
    "n"
  ],
  "jmdict_id": 1479230,
  "examples": [
    {
      "ja": "地球の半径は、約6,000キロです。",
      "en": "Earth's radius is about six thousand kilometres.",
      "tatoeba_id": 11890698
    },
    {
      "ja": "原点を中心とする半径2の円と,直線 y = x − 1 の交点を求めよ。",
      "en": "Consider a circle of radius 2 centered at the origin. Find its points of intersection with the line y = x - 1.",
      "tatoeba_id": 2715448
    }
  ],
  "zh": {
    "status": "reviewed",
    "source_hash": "c22d12b26f8b5cc923693c24bcc5dd1823ffe261b46ce173184701e89c65c03b",
    "meanings": [
      "半径"
    ],
    "examples": [
      {
        "ja": "地球の半径は、約6,000キロです。",
        "zh": "地球半径约六千公里。"
      },
      {
        "ja": "原点を中心とする半径2の円と,直線 y = x − 1 の交点を求めよ。",
        "zh": "求以原点为中心、半径为二的圆与直线y=x−1的交点。"
      }
    ],
    "references": [
      "upstream vocab/n2/efca806408",
      "JMdict ent_seq 1479230; local JMdict_e.gz",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "12a6e7c50f7dc34a6680661d08e3768f9f20b2ef68991912cb1c987ff7a475b4"
  }
}