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morse alphabet

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Morse code

–noun
either of two systems of clicks and pauses, short and long sounds, or flashes of light, used to represent the letters of the alphabet, numerals, etc.: now used primarily in radiotelegraphy by ham operators.
Also called Morse alphabet.


Origin:
1830–40; after S. F. B. Morse
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

Morse code 
1867, earlier Morse key (1858), in allusion to Samuel F.B. Morse (1791-1872), U.S. inventor who produced a system of telegraphic communication 1836. He invented both the recording telegraph and the alphabet of dots and dashes.
Online Etymology Dictionary, © 2001 Douglas Harper
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