- 摩尔斯电码 mó'ěrsīdiànmǎ Morse codeA communication system used in telegraphy and lighting signals, where different lengths of electric current represent letters or numbers. Named after the American inventor Samuel Morse.
- 摩斯电码 mósīdiànmǎ Morse codeMorse code; Morse alphabet
- 莫尔斯电码 mò'ěrsīdiànmǎ Morse code