differentiated oligopoly Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a market condition in which the production of similar but not identical products is concentrated in a few large firms Example Sentence The automobile industry is an example of a differentiated oligopoly. Synonyms monopoly; cartel; corner Antonyms many producers Hear It! Say It! Write It! differentiated oligopoly Switch to cursive Start Share with your friends: