radiotelegraph

名词 radiotelegraph:

1. telegraphy that uses transmission by radio rather than by wire
   同义词：radiotelegraphy, wireless telegraphy
2. the use of radio to send telegraphic messages (usually by Morse code)
   同义词：radiotelegraphy, wireless telegraph, wireless telegraphy

ra.di.o.tel.e.graph

n.（名词）
Transmission of messages by radiotelegraphy.
用无线电传真传送信息

【引伸】
ra.diotel.egraph.ic
adj.（形容词）