Thomas Edison is a proper noun referring to the American inventor whose innovations shaped electric light, phonographs, and mass communication. In pronunciation terms, it comprises two personal name components: the given name Thomas and the surname Edison, with the typical English stress pattern on the first syllable of Edison and the second syllable of Thomas in natural speech. The phrase is commonly pronounced with careful enunciation of the final -son in Edison and a crisp /d/ onset in Edison’s first syllable.
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