| hetero- | Combining form from the Greek heteros meaning different. The opposite is homo- from the greek homos meaning same. For example, heterogeneous and homogeneous, heterosexual and homosexual, etc. (12 Dec 1998) |
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| hetero-osteoplasty | Bone transplantation from one species to another; formerly used to denote transplants from one person to another. (05 Mar 2000) |