The word "perpendicular pronoun" is a term used in linguistics to describe a type of pronoun that is used to refer to a noun in a perpendicular direction. In IPA phonetic transcription, the word is spelled /pəˈpɛndɪk.jʊ.lər ˈprəʊ.naʊn/. The first syllable is pronounced with a schwa sound, followed by a stressed "pen" sound, then a "di" and "kyu" sound. The last syllable is pronounced with a schwa sound for the "nou" and a stressed "n" sound.