The phrase "patterned up on" is spelled using the IPA phonetic transcription /ˈpætərnd əp ɒn/. The first word, "patterned," is pronounced with stress on the first syllable and the schwa sound in the second syllable. The second part, "up on," is pronounced as two separate words with stress on the first syllable of "up." This phrase means to imitate or follow a certain pattern or trend. Correct spelling and pronunciation are important for effective communication.