J

Pronunciation

Full definition of j

Letter

Usage notes

In Spanish language loanwords and names, "j" is pronounced as an "h", for example in fajita and Julio.

Noun

1. (slang) A term for a marijuana cigarette ('joint')."I went outside to smoke myself a J" — Paul Simon (musician), from the song "Late in the Evening" from the album, "One Trick Pony."
2. (mathematics) An alternative version of i, the positive square root of -1; used in the context of electronics.
3. (mathematics) The second unit vector, after i----