How does the word sound?
History of this Word
"radio" is from "radius" (ray) spoken by ancient people in central Italy around 700 B.C.
A prefix added to the start of a word. Indicates that "radio" or "radiation" modifies the word. Created to expand meanings. Can be used with many words to form new words.
Examples of how the word is used
|The General Radiotelephone Operator Permits are issued for the holder's lifetime.|
|The consultant radiotherapist heads a team of doctors.|