cytogenetics Syllabification: (cy·to·ge·net·ics)Pronunciation: /ˌsītōjəˈnetiks/Definition of cytogenetics noun [treated as singular] Biology the study of inheritance in relation to the structure and function of chromosomes. Derivatives cytogenetic adjective cytogeneticalPronunciation: /-ikəl/ adjective cytogeneticallyPronunciation: /-ik(ə)lē/ adverb cytogeneticistPronunciation: /-jəˈnetəsist/ noun cytogenetics in other Oxford dictionaries Definition of cytogenetics in the British & World English dictionary