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Morse code definitions

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WordNet (r) 3.0 (2005)

n
1: a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals) [syn: Morse, Morse code, international Morse code]

Merriam Webster's

noun Etymology: Samuel F. B. Morse Date: 1867 either of two codes consisting of variously spaced dots and dashes or long and short sounds used for transmitting messages by audible or visual signals

Britannica Concise

System for representing letters, numerals, and punctuation marks by a sequence of dots, dashes, and spaces. It is transmitted as electrical pulses of varied lengths or analogous mechanical or visual signals, such as flashing lights. The original system was invented by S. Morse in 1838 for his telegraph; the International Morse Code, a simpler and more precise variant with codes for letters with diacritic marks, was devised in 1851. With minor changes, this code has remained in use for certain types of radiotelegraphy, incl. amateur radio.

Webster's 1913 Dictionary

Morse code Morse" code" (Teleg.) The telegraphic code, consisting of dots, dashes, and spaces, invented by Samuel B. Morse. The Alphabetic code which is in use in North America is given below. In length, or duration, one dash is theoretically equal to three dots; the space between the elements of a letter is equal to one dot; the interval in spaced letters, as O . ., is equal to three dots. There are no spaces in any letter composed wholly or in part of dashes. Note: Alphabet A .- H .... O . . V ...- B - . . . I .. P ..... W .-- C .. . J -.-. Q ..-. X .-.. D -.. K -.- R . .. Y .. .. E . L --- S ... Z ... . F .-. M -- T -- & . ... G --. N -. U ..- Numerals 1 .--. 4 . . . .- 7 --.. 2 ..-.. 5 --- 8 - . . . . 3 . . . -. 6 . . . . . . 9 -..- 0 ---- Period ..--.. Comma .-.- The International (Morse) code used elsewhere is the same as the above with the following exceptions. C -.-. L .-.. Q --.- Y -.-- F ..-. O --- R .-. Z --.. J .--- P .--. X -..- The Morse code is used chiefly with the electric telegraph, but is also employed in signalling with flags, lights, etc.

Collin's Cobuild Dictionary

also Morse code Morse code or morse is a code used for sending messages. It represents each letter of the alphabet using short and long sounds or flashes of light, which can be written down as dots and dashes.

Collin's Cobuild Dictionary

see morse code