- Not all the same. Not homogeneous.
- Consisting of, or characterized by having dissimilar elements, constituents, or qualities. For example, heterogeneous radiation. This contrasts with homogeneous, which consists of, or is characterized by having similar elements, constituents, or qualities.
- (written as Heterogeneous)This exists when there is variance in a relevant characteristic of an entity.
- adjective having different characteristics or qualities