ra·di·o·tel·e·phone (rā'dē-ō-těl'ə-fōn') n.
Abbr. RT A telephone in which audible communication is established by use of a two-way radio transmitter and receiver. Also called wireless telephone. ra'di·o·tel'e·phon'ic (-fŏn'ĭk) adj., ra'di·o·te·leph'o·ny (-tə-lěf'ə-nē) n.