What is another word for allomerism?
Pronunciation: [ˈaləməɹˌɪzəm] (IPA) 
Allomerism is a term that refers to the existence of different types of atoms or functional groups within the same chemical compound, resulting in varying properties. Synonyms for allomerism include polymorphism, allotropy, and isomerism. Polymorphism relates to the ability of some substances to exist in more than one crystalline form, such as carbon, which can be found as both diamond and graphite. Allotropy refers to the existence of different physical forms of an element, such as oxygen, which can exist as both O2 and O3. Isomerism refers to the existence of compounds with the same molecular formula but different structural arrangements, such as glucose and fructose.
