There are 2 main definitions of sim in English:

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sim 1

Syllabification: sim

noun

informal
A video game that simulates an activity such as flying an aircraft or playing a sport.
Example sentences
  • There are also quite a few flight sims that simulate modern or historic aircraft.
  • The core gameplay concept is team action strategy, a three-tier model that combines aspects of action space sims, tactical naval sims, and RTS games.
  • But I honestly don't see myself getting excited by sports sims.

Origin

Late 20th century: abbreviation of simulation (see simulate).

Definition of sim in:

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There are 2 main definitions of sim in English:

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SIM 2 Syllabification: SIM
(also SIM card)

noun

A smart card inside a mobile phone, carrying an identification number unique to the owner, storing personal data, and preventing operation if removed.
Example sentences
  • When a phone is stolen, the owner's account-details of which are stored on the SIM card slotted into the phone-is frozen.
  • Pitchford said she had the ‘shock of her life’ when one of the youths asked her to remove her SIM card and hand over her cellphone.
  • Many carriers use the SIM card (subscriber identity module) or smart card.

Origin

1980s: acronym from subscriber identification module.

Definition of sim in:

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