Definition of chimera

< chime

Chimera >

chi·me·ra also chi·mae·ra    (k-mîr, k-) KEY 

NOUN:

1. 1. An organism, organ, or part consisting of two or more tissues of different genetic composition, produced as a result of organ transplant, grafting, or genetic engineering.
   2. A substance, such as an antibody, created from the proteins or genes or two different species.
2. An individual who has received a transplant of genetically and immunologically different tissue.
3. A fanciful mental illusion or fabrication.

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ETYMOLOGY:
Middle English chimere, Chimera, from Old French, from Latin chimaera, from Greek khimaira, chimera, she-goat; see ghei- in Indo-European roots