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extrachromosomal
[ ek-struh-kroh-muh-soh-muhl ]
/ ˌɛk strəˌkroʊ məˈsoʊ məl /
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adjective Genetics.
of or relating to DNA that exists outside the main chromosome and acts independently.
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Origin of extrachromosomal
First recorded in 1935–40; extra- + chromosomal
Words nearby extrachromosomal
extrabudgetary, extracanonical, extracapsular, extracellular, extracellular matrix, extrachromosomal, extracode, extra-condensed, extraconstitutional, extracorporeal, extra cover
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023