Hormonadin is a theoretical hormone that has not been officially recognized by the scientific community. The spelling of the word can be broken down phonetically using the International Phonetic Alphabet (IPA) as: hɔːməu'nædɪn. The first syllable is pronounced like "haw" and the second syllable sounds like "muh". The third syllable sounds like "nad" and has a short "i" sound. The final syllable sounds like "in" and has a short "i" sound as well. The pronunciation of this non-existent hormone is not a priority for many, but it is interesting to know its phonetic breakdown.
Trade name of a preparation said to be the internal secretion of the pancreas.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.