"Pathometric" is a technical term that refers to the measurement of disease processes. The spelling of this word is based on its Greek roots: "patho-" means "disease" and "-metric" refers to measurement. In IPA (International Phonetic Alphabet) transcription, it is pronounced as pæθɵmeˈtrɪk. The initial "p" is aspirated, the "a" is pronounced as the "a" in "cat," and the stress is on the third syllable. Learning the IPA can help improve your pronunciation and understanding of technical terms like "pathometric".
Relating to pathometry.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.