English Dictionary

j

/dʒeɪ/

noun

(slang) A term for a marijuana cigarette ('joint'). / (mathematics) An alternative version of i, the positive square root of -1; used in the context of electronics.

I saw a beautiful j in the park.

意味（1）

(slang) A term for a marijuana cigarette ('joint').

I went outside to smoke myself a J — Paul Simon, from the song Late in the Evening from the album, One Trick Pony.

意味（2）

(mathematics) An alternative version of i, the positive square root of -1; used in the context of electronics.

意味（3）

(mathematics) The second unit vector, after i