iatromathematical UK /ʌɪˌat.ɹə(ʊ).ma.θəˈma.ti.kəl/US /aɪˌæt.ɹoʊ.mæ.θəˈmæ.tɪ.kəl/ adjective2 •(no longer used) Pertaining to a theory or practice of medicine founded on mathematical principles. •(no longer used) Pertaining to a practice of medicine in conjunction with astrology. formsmore iatromathematical · most iatromathematical