The word "xiphosure" is a rare term that is not found in most dictionaries. However, its spelling can be broken down using International Phonetic Alphabet (IPA) symbols. The first syllable, "xiph", is pronounced as /zɪf/, with the "x" sound making the "z" sound. The second syllable, "o-", is pronounced as /əʊ/, and the final syllable, "-sure", is pronounced as /ʃʊə/. Therefore, the full pronunciation of "xiphosure" is /zɪfəʊʃʊə/.