Telegraph
/tˈɛləˌɡræf/
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Definition
(noun) Synonym of telegraphy, any process for transmitting arbitrarily long messages over a long distance using a symbolic code.
Sentence Examples
Do you know who invented the telegraph?
I carelessly ran into the telegraph pole.
CEFR Practice Quiz
The invention of the ____ revolutionized communication in the nineteenth century by allowing messages to be sent over long distances today.