Pleomazia is a rare medical term that refers to the growth or proliferation of abnormal cells, tissues or organs. The word is composed of two parts; pleo- meaning many, and -mazia meaning to increase or swell. The correct pronunciation of the word is 'plee-oh-MEY-zhuh', with the stress on the second syllable. The phonetic transcription for this term in IPA symbols is /pliːoʊˈmeɪʒə/. While the spelling of pleomazia may seem complex, understanding its components can make it much easier to pronounce and comprehend.
Pleomastia.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.