radioとは

意味・読み方・使い方

語源

Short for radiotelegraphy.

発音

• (Received 発音) IPA^(key): /ˈɹeɪdiˌəʊ/
• (General American) IPA^(key): /ˈɹeɪdiˌoʊ/, [ˈɹeɪɾiˌoʊ]

名詞

radio (countable かつ uncountable, 複数形 radios)

1. (uncountable) The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.

   send a message by radio

2. (countable) A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.

   We heard a lovely song on the radio.

3. (countable) On-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media.
   • 2018 February 6, Jonathan Amos, “Elon Musk's huge Falcon Heavy rocket set for launch”, in BBC News‎^[1], London, United Kingdom: BBC, retrieved 2018-02-07:

     David Bowie's classic hit Space Oddity will be looping on the radio as the car is hurled into an elliptical orbit that stretches out to Mars' orbit around the Sun.

4. (countable) A device that can transmit radio signals.
5. (Internet, uncountable) The continuous broadcasting of sound via the Internet in the style of traditional radio.

同意語

• (device to capture radio signal): tuner, wireless, receiver

派生語

関連する語

動詞

radio (三人称単数 現在形 radios, 現在分詞 radioing, 過去形および過去分詞形 radioed)

1. (transitive, intransitive) To use two-way radio to transmit (a message) (to another radio または other radio operator).

   I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates.

2. (transitive) To order or assist (to a location), using telecommunications.
   • 2002, Jack Dave, Death Bridge, iUniverse, →ISBN, page 40:

     “Could you call them here? I'd like to talk to them. Or if they're out in the field, radio them in.”

   • 2006, Angie Morgan, Leading from the front: no excuse leadership tactics for women, page 111:

     When I told him that they weren't back yet, he asked if we could radio them back early […] Radioing them in was fine with me.

   • 2006, Kimberly Johnson, Amy's Secret, page 14:

     When she arrived, she was told that Tad wasn't there and to have a seat and wait while they radioed him in.

アナグラム

• aroid, doira

Latin

語源

radius (“spoke of a wheel”) +‎ -ō.

発音

• (Classical) IPA^(key): /ˈra.di.oː/, [ˈra.d̪i.oː]
• (Ecclesiastical) IPA^(key): /ˈra.di.o/, [ˈraː.d̪i.ɔ]

動詞

radiō (present infinitive radiāre, perfect active radiāvī, supine radiātum); first conjugation

1. (active) I cause to radiate, irradiate.
2. (passive) I radiate, emit beams.

Conjugation

派生語

関連する語

• radiolus
• radiōsus
• radius

派生した語

• → Catalan: radiar
• → English: radiate
• French: rayer (possibly)
• → French: radier
  • → Romanian: radia
• Italian: raggiare
• → Italian: radiare
• Old French: raier, rayer
• Old Occitan: rayar, rajar
  • Catalan: rajar
• Portuguese: raiar
• → Portuguese: radiar
• Spanish: rayar
• → Spanish: radiar

名詞

radiō

1. dative singular of radium
2. ablative singular of radium

参照

• radio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• radio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers

接頭辞

radio-

1. radiation, radioactive
2. radio (broadcasting)
3. (anatomy) radius (bone)
4. (geometry) radius

   radiosymmetrical

派生語

参照

• Definition of radi- - Merriam-Webster Online Dictionary

アナグラム

• aroid, doira