名詞 j.:

1. a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
   同義詞：joule, J, watt second
2. the 10th letter of the Roman alphabet
   同義詞：J, letter j

J.
abbr.（略語）
Japanese.
Japanese.
Or j. Journal.
或 j. Journal.
Or j. Law Judge.
或 j. 【法律】 Judge.
Or j. Law Justice.
或 j. 【法律】 Justice.