The spelling of the word "Archiblastic Heteroplasm" is a mouthful! Using the International Phonetic Alphabet (IPA), we can break down the pronunciation: /ɑrki'blæstik/ /hɛtərə'plæzəm/. The first part is pronounced "arki-blastik" and refers to a type of cell in embryology. The second part is pronounced "hetero-plazum" and refers to a mixture of genetic material in cells. Together, "Archiblastic Heteroplasm" describes a complex biological process. Despite its difficult spelling, understanding the concept behind the word is fascinating!