Pentanitride is a term used to describe a compound consisting of five nitrogen atoms. It is pronounced as /pɛntəˈnaɪtraɪd/. In IPA, "p" represents the voiceless bilabial plosive, "ɛ" indicates the open-mid front unrounded vowel, "ntə" represents "n" followed by the schwa vowel, "nai" represents the diphthong comprising the long "a" sound followed by the long "i" sound, and "traid" represents "tri" followed by the voiced dental fricative represented by the letter "d". Overall, the spelling of pentanitride reflects the chemical composition of the compound.