As nouns the difference between telecom and telecommunication
is that telecom is telecommunication while telecommunication is the science and technology of the communication of messages over a distance using electric, electronic or electromagnetic impulses.
telecom
English
Noun
(
en noun)
(informal) Telecommunication.
(informal) A telco or telephone company.
Anagrams
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telecommunication
English
Noun
(
wikipedia telecommunication)
(uncountable) The science and technology of the communication of messages over a distance using electric, electronic or electromagnetic impulses.
(countable) A message so transmitted.