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GSM

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Digital Technology, Trademark.
  1. Global System for Mobile Communications: an international standard for digital cellular communications.
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Origin of GSM

originally an abbreviation of French Groupe Spécial Mobile ‘Special Mobile Group’
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gsm

gsm

abbreviation for
  1. grams per square metre: the term used to specify the weight of paper
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GSM

abbreviation for
  1. Global System for Mobile Communications
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012