MJ

See also: Appendix:Variations of "mj"

Translingual

Etymology 1

Symbol

MJ

1. (metrology) Symbol for megajoule, an SI unit of work or energy equal to 10⁶ joules.

Etymology 2

Symbol

M_J

1. (astronomy) Jovian mass: a unit of measurement, equal to the mass of Jupiter.

   Synonym: M_♃

2. The mass of Jupiter specifically.

English

Pronunciation

• Audio (General Australian):

  (file)

Proper noun

MJ

1. Initialism of Michael Jackson.

Noun

MJ (uncountable)

1. (slang) Initialism of Mary Jane; marijuana.
2. Initialism of mahjong.
   • 2006, Judy Yung, Gordon H. Chang, H. Mark Lai, Chinese American voices: from the gold rush to the present ..., →ISBN, page 283:

     Then when my sister was old enough, my mother taught the three of us how to play MJ [mah-jongg].

Anagrams

• JM