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 of Morse code

First recorded in 1830–40; after S. F. B. Morse

Words related to morse code

cryptanalysis, cryptography

Example sentences from the Web for morse code

  • Then he began, carefully, methodically to send a Morse-code message to his companion via his winking eyes.

    Danger in Deep Space |Carey Rockwell

British Dictionary definitions for morse code

Morse code

noun

a telegraph code formerly used internationally for transmitting messages; it was superseded by satellite technology (the Global Marine Distress and Safety System) in 1999. Letters, numbers, etc, are represented by groups of shorter dots and longer dashes, or by groups of the corresponding sounds, dits and dahs, the groups being separated by spaces Also called: international Morse code

Word Origin for Morse code

C19: named after Samuel Morse

Scientific definitions for morse code

Morse code

A code developed by Samuel Morse used for transmitting messages in which letters of the alphabet and numbers are represented by various sequences of written dots and dashes, or short and long signals such as electric tones or voltages. Morse code was used extensively in telegraphy. In a format that has been standardized for international use, it is still sometimes used for long distance radio communication.