Meaning of RADIO in English

RADIO

I. ˈrādēˌō sometimes especially formerly ˈrad- noun

( -s )

Etymology: short for radiotelegraphy

1.

a. : the transmission and reception of electric impulses or signals by means of electromagnetic waves without a connecting wire

radio includes wireless, television, and radar

b. : the use of these waves for the wireless transmission of electromagnetic impulses into which sound is converted — often distinguished from television

2. : a radio message : radiogram

3. : a radio receiving set

4.

a. : a radio sending station

b. : a radio broadcasting organization

a national radio

c. : the radio broadcasting industry

became the youngest announcer in radio — Current Biography

d. : radio as a medium of communication

jurisdiction over press, radio , and film — Current Biography

II. adjective

1. : of, relating to, employing, or operated by radiant energy especially of electromagnetic waves : relating to or employed in radiotelegraphy or radiotelephony or other applications of radio waves

radio communication

2. : of or relating to electric currents or phenomena of frequencies between about 15,000 and (10) 11 per second

3.

a. : of, relating to, or used in radio or a radio set

radio transformer

radio dial

b. : specializing in radio or employed in or associated with the radio industry

radio engineer

c.

(1) : transmitted by radio

radio message

radio concert

(2) : making or participating in radio broadcasts

radio announcer

radio commentator

radio entertainers

d. : controlled or directed by radio

III. verb

( -ed/-ing/-s )

transitive verb

1. : to send or communicate by radio

the sound … is radioed back automatically to the ship — Erwin Raisz

2. : to send a radio message to

intransitive verb

: to send or communicate by radio

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.