No, the term 'television technology' is not a compound noun as found in a dictionary. The term 'television technology' functions as a noun phrase, a group of words based on a noun (technology) that functions as a unit in a sentence.A noun phrase can function as the subject of a sentence or a clause, and as the object of a verb or a preposition.Examples:Television technology has changed a lot in the past decade.He's studying television technology, hoping for a future in that field.Note: There is no set standard for how or when a commonly used noun phrase becomes a compound noun.