Definition of radio- in English:

radio-

Pronunciation: /ˈreɪdɪəʊ/

combining form

  • 1Denoting radio waves or broadcasting: radio-controlled radiogram
  • 2 Physics Connected with rays, radiation, or radioactivity: radiogenic radiograph
  • 2.1Denoting artificially prepared radioisotopes of elements: radio-cobalt
  • 3 Anatomy Belonging to the radius in conjunction with some other part: radio-carpal

Origin

from radio or radius.

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Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space