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, space science) Initialism of service module.
2. (music) Initialism of short meter.
3. (science fiction) Initialism of space marine.
4. Abbreviation 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.

SM

1. (fandom slang) Initialism of Pokémon Sun and Moon.

• (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

From English S&M.

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

S(エス)M(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 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)