Potvaliances is a rare and complex word in English, used to describe the value of whale oil produced by boiling the carcass of a whale. The phonetic transcription of this word is /ˈpɒtvəljuːənsɪz/, where the "pot" is pronounced with a short "o" sound, the "v" is pronounced as "vuh", and the "j" is pronounced as "yuh". The "-ance" ending is pronounced with a stressed "uhns" sound. Its unique spelling reflects the specialized terminology and history of whaling in the English language.