Final answer:
The term 'Radiotelefonista' is formed through derivation, specifically through sufijación, which involves adding a suffix to create a new word.
Explanation:
Radiotelefonista is formed through derivation, specifically through sufijación, which is the addition of a suffix to form a new word. In this case, the suffix '-ista' is added to 'radiotelefono' to denote a person who works with radios and telephones. This process of word formation is vital in expanding the vocabulary of a language.
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