Definition of "SM"

SM

symbol
1. service mark
noun
plural SMs
1. (US, space science) Initialism of service module.
2. (music) Initialism of short meter.
3. (science fiction) Initialism of space marine.
4. (theater) Initialism of stage manager.
  Quotations
  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: […].
  2022 December 24, Richard Jennings, “Music for Plays, a Step-by-Step Guide”, in American Theatre‎
5. Initialism of sexual minority (“non-heterosexual”). (Also used attributively.)
  Quotations
  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.
  2016, Kristen Eckstrand, Jesse M. Ehrenfeld, Lesbian, Gay, Bisexual, and Transgender Healthcare: A Clinical Guide to Preventive, Primary, and Specialist Care, Springer, page 99
6. Alternative form of S&M (“sadomasochism”)
  Quotations
  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.
  1980 April 12, Audre Lorde, “On The Erotic”, in Gay Community News, page 4
proper noun
1. (physics) Initialism of Standard Model.
2. (fandom slang) Initialism of Pokémon Sun and Moon.