Englishfor English speakers
telecommunication
Noun
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Telecommunication is the science of sending messages over a distance using radio, television, telegraph, computers, cable and telephone.
Telecommunication has made it possible to speak directly to people in other countries.
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A telecommunication is a message received by using radio, television, telegraph, computers, cable and telephone.
The CIA was able to read the company's telecommunications using a spy satellite.
system
Noun
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A group of things that work together; a way of doing something.
This coloured paper is part of my system for keeping lists of people.