SM

SM

1. (international standards) ISO 3166-1 alpha-2 country code for San Marino.

   Synonym: SMR (alpha-3)

SM

1. service mark

SM (plural SMs)

1. (US, astronautics) Initialism of service module.
2. (music) Initialism of short meter.
3. (science fiction) Initialism of space marine.
4. (theater) Initialism of stage manager.
   • 2022 December 24, Richard Jennings, “Music for Plays, a Step-by-Step Guide”, in American Theatre‎^[1]:

     Obtain contact information for the people you will be working with directly: director, production manager, stage manager (SM), soundboard operator (SO), and dance and fight choreographers. […] Early in the process is the time to ask the stage manager their preference for labeling music cues (numerically or alphabetically). The SM will have a system for calling cues:  […].

5. Initialism of sexual minority (“non-heterosexual”). (Also used attributively.)
   • 2016, Kristen Eckstrand, Jesse M. Ehrenfeld, Lesbian, Gay, Bisexual, and Transgender Healthcare: A Clinical Guide to Preventive, Primary, and Specialist Care, Springer, →ISBN, page 99:

     Transmission of HPV between female partners is possible and has been documented. There exists a higher proportion of current or former smokers among sexual minority (SM) women, a known risk factor for cervical cancer.

6. Alternative form of S&M (“sadomasochism”)
   • 1980 April 12, Audre Lorde, “On The Erotic”, in Gay Community News, page 4:

     SM is not the sharing of power, it is merely a depressing replay of the old and destructive dominant/subordinate mode of human relating and one-sided power.

7. (US, military) Abbreviation of standard missile.

SM

1. (physics) Initialism of Standard Model.
2. (fandom slang) Initialism of Pokémon Sun and Moon.
3. (Philippines) SM Supermalls (a chain of shopping malls)

• (Pokémon): SuMo

• (service module): LM/LEM, CM, OM
• (sexual minority): GM, SGM

• (Service module):   Service Module on Wikipedia.Wikipedia

• M's, M.S., M/S, MS, MS., Ms, Ms., m's, m.s., ms, ms., μms

Borrowed from English S&M.

SM

1. (slang) S&M

SM

1. Initialism of Suomen mestaruus, Finnish championship series

•   Jääkiekon SM-liiga on the Finnish Wikipedia.Wikipedia ^fi

SM

1. Abbreviation of Sebelum Masehi (“BC; Before Christ”).

From English S&M.

• (Tokyo) エスエム [èsúémú] (Heiban – [0])
• IPA^(key): [e̞sɨe̞mɯ̟]

SM(エスエム) • (esuemu) 

1. S&M

• サディズム (sadizumu)
• マゾヒズム (mazohizumu)

SM

1. Abbreviation of Satu Mare, a county in Romania.

SM f (plural SSMM)

1. Initialism of su majestad (“his/her majesty”).

SM n

1. Initialism of svenskt mästerskap (“Swedish championship”); a Swedish championship (where a Swedish champion is established)

Loosely defined in general (like "American championship"), but typically involves (mostly) Swedish contestants.

• EM (“European championship”)
• NM (“Nordic championship”)
• VM (“world championship”)

• SM in Svensk ordbok (SO)
• SM in Svenska Akademiens ordlista (SAOL)