allometry Syllabification: (al·lom·e·try)Pronunciation: /əˈlämitrē/Definition of allometry noun Biology the growth of body parts at different rates, resulting in a change of body proportions. the study of allometry. Derivatives allometricPronunciation: /ˌaləˈmetrik/ adjective allometry in other Oxford dictionaries Definition of allometry in the British & World English dictionary