telegraphic signal

Definitions of telegraphic signal
1

n a signal transmitted by telegraphy

Synonyms:
radiotelegraphic signal
Types:
dit, dot
the shorter of the two telegraphic signals used in Morse code
dah, dash
the longer of the two telegraphic signals used in Morse code
Type of:
sign, signal, signaling
any nonverbal action or gesture that encodes a message

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