Elementary (A2)
IPA: //ˈreɪ.di.oʊ//
KK: /ˈreɪdioʊ/
Definition
Relating to or used in the technology of radio communication or broadcasting.
Example
The radio station plays music all day long.
Conversation

Did you hear the latest updates on that radio show last night?

Yeah, it was really interesting, especially the guest they had on.

I love how they focus on radio documentaries these days.

Me too! It makes the content feel so much more engaging.
Synonyms & Antonyms
Synonyms
broadcast
transmitted
wireless
Definition
To send messages or signals using radio waves, often for communication purposes.
Example
The ship is radioing for help after the storm.
Tense Forms
Past: radioed
Past Participle: radioed
Conversation

Did you hear that they had to radio for help during the storm?

Yeah, I read about it! That must have been really scary.

I can't believe they were stuck out there for hours before someone responded.
Definition
A device that receives and plays sound signals transmitted through the air, often used for music, news, and other broadcasts.
Example
I like to listen to the radio while driving to work.
Conversation

Have you listened to that new song on the radio yet?

Not yet, but I heard it's really catchy.

You should definitely check it out; it plays all the time on my radio.
Definition
To send a message or information using radio waves.
Example
The team decided to radio the base for assistance.
Tense Forms
Past: radioed
Past Participle: radioed
Conversation

Did you hear that they radioed the weather report this morning?

Yeah, I caught that on my way to work.

I wonder if they radioed any updates about the storm coming.
Root Explanation
Radio → It originates from the Latin word "radius" (meaning ray or beam). The term refers to the transmission of signals through electromagnetic waves, which can be thought of as rays of energy traveling through space.
Memory Tip
Think of 'rays' ('radius') of energy traveling through the air to remember that 'radio' refers to the transmission of signals.
Visually Confused Words
exradio
ratio
radon
audio
arado
adion