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extrachromosomal

[ ek-struh-kroh-muh-soh-muhl ]

adjective

, Genetics.
  1. of or relating to DNA that exists outside the main chromosome and acts independently.


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Word History and Origins

Origin of extrachromosomal1

First recorded in 1935–40; extra- + chromosomal ( def )

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extracellular matrixextracode