粵

弧wu4度dou6

wu4 dou6hú dù

English

  1. radian
  2. arc
  3. curve
  4. curvature
  5. (math.) radian

粵語 — Cantonese

  1. 平面角嘅單位。當一個圓心角所對嘅弧長等於半徑嗰陣,呢個角嘅大細就定義為1弧度。符號係 rad

Sources: cc-cedict, rime-cantonese, words.hk

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