Morse code

noun

1. 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.

Morse code

noun

1. a telegraph code formerly used internationally for transmitting messages; it was superseded by satellite technology (the Global Marine Distress and Safety System) in 1999.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 calledinternational Morse code

Morse code

1. 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.

Word History and Origins

Origin of Morse code¹

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

Word History and Origins

Origin of Morse code¹

C19: named after Samuel Morse

Example Sentences

According to Hal Whitehead, who has pioneered research on social organization and cultural transmission in deep-water whales since the 1970s, researchers began studying sperm whale codas by comparing them to Morse code.

From Salon

To get a reward, mice had to learn to distinguish between patterns of an odor stimulus that had variable timing, as if they were learning a very simple form of Morse code.

From Science Daily

He became an expert in Morse code and participated in war missions in Iran, Ukraine and England before his service ended in 1945.

From Seattle Times

After starting his Army career in Omagh, County Tyrone, he moved to England and worked for a time as a Morse code signaller.

From BBC

That meant learning semaphore to send messages during the day and Morse code for nighttime communications.

From Seattle Times