Definitions

1. noun

The presence of two or more different populations of cells in the body, especially as a result of organ transplantation or bone marrow transplantation.

“The patient’s blood tests showed a high level of chimerism, indicating that her immune system had accepted the donated bone marrow.”

2. noun

A mixture of two or more different things, especially a mixture of different cultures or ideas.

“The city’s cultural landscape was a product of chimerism, reflecting the blending of different ethnic and national influences.”