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 History of this Word

"radio" is from "radius" (ray) spoken by ancient people in central Italy around 700 B.C.


In this sense, it is a word added to another word to form a new word.

Words related to this meaning

grammar is modifier

"radio-" is a type of prefix


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

radio- illustration The General Radiotelephone Operator Permits are issued for the holder's lifetime.
radio- illustration The consultant radiotherapist heads a team of doctors.