Origin of radio

1910–15; shortening of radiotelegraph or radiotelegraphy

OTHER WORDS FROM radio

pre·ra·di·o, adjective

Definition for radio (2 of 2)

radio-

a combining form with the meanings “dealing with radiant energy” (radiometer), “employing or dealing with radio waves” (radioacoustics; radiolocation; radiotelephone), “emitting rays as a result of the breakup of atomic nuclei” (radioactive; radiocarbon), “characterized by, employing or dealing with such rays” (radiography; radiopaque; radiotherapy).

Origin of radio-

< French, combining form representing Latin radius beam, ray, radius

Example sentences from the Web for radio

British Dictionary definitions for radio (1 of 2)

radio
/ (ˈreɪdɪəʊ) /

noun plural -os

verb -os, -oing or -oed

to transmit (a message) to (a person, radio station, etc) by means of radio waves

Word Origin for radio

C20: short for radiotelegraphy

British Dictionary definitions for radio (2 of 2)

radio-

combining form

denoting radio, broadcasting, or radio frequency radiogram
indicating radioactivity or radiation radiochemistry; radiolucent
indicating a radioactive isotope or substance radioactinium; radiothorium; radioelement

Word Origin for radio-

from French, from Latin radius ray; see radius

Medical definitions for radio

radio-

pref.

Radiation; radiant energy:radiometer.
Radioactive:radiochemistry.
Radius:radiobicipital.

Scientific definitions for radio

radio
[ rādē-ō ]

Noun

The equipment used to generate, alter, transmit, and receive radio waves so that they carry information.

Adjective

Relating to or involving the emission of radio waves.