The Japanese dictionary for learners.

Instant search in romaji, kana, kanji, #k [kanji], or components #c [radicals].

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Examples:

半径 はんけい N2

  1. radius

行動半径 こうどうはんけい

  1. combat radius; radius of action
  2. range of activity; sphere of activity

イオン半径 イオンはんけい

  1. ionic radius

回転半径 かいてんはんけい

  1. radius of gyration

ボーア半径 ボーアはんけい

  1. Bohr radius

共有結合半径 きょうゆうけつごうはんけい

  1. covalent radius

結合半径 けつごうはんけい

  1. bond radius

軌道短半径 きどうたんはんけい

  1. semi-minor axis (esp. in orbital matters)

軌道長半径 きどうちょうはんけい

  1. semi-major axis (esp. in orbital matters)

長半径 ちょうはんけい

  1. semi-major axis
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What you can look up

A free dictionary built on open data (JMdict, KANJIDIC2, Tatoeba). Try a word like 食べる, a kanji like 水, or find a kanji by its parts in the radical search. New to kana, kanji or JLPT? Read the glossary, or see fudami and its data sources.