Syncom

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsɪnˌkɒm/US:USA pronunciation: respellingUSA pronunciation: respelling(sin′kom)


WordReference Random House Unabridged Dictionary of American English © 2026
Syn•com  (sin′kom),USA pronunciation n. [U.S. Aerospace.]
  1. Aerospaceone of a series of experimental communications satellites that were the first to be placed in geostationary orbit.
  • syn(chronous) com(munications satellite)

Collins Concise English Dictionary © HarperCollins Publishers::
Syncom / ˈsɪnˌkɒm/
  1. a communications satellite in stationary orbit
Etymology: 20th Century: from syn(chronous) com(munication)

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