The correct spelling for the phrase "am the horizon" is: /æm ði həˈraɪzən/. This phrase is commonly used to describe a person's or object's location in relation to the horizon. The IPA phonetic transcription breaks down the pronunciation of each individual sound in the word. The emphasis is on the syllables "hor" and "i" in the word, with a slight glide in pronunciation from the "i" to the "z" sound.