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Syncom

[sin-kom]
noun U.S. Aerospace.
  1. one of a series of experimental communications satellites that were the first to be placed in geostationary orbit.
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Origin of Syncom

syn(chronous) com(munications satellite)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for syncom

Syncom

noun
  1. a communications satellite in stationary orbit
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Word Origin for Syncom

C20: from syn (chronous) com (munication)
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