First Known Use: 1982
Dictionary
ras
noun, often attributive \ˈras\
Definition of RAS
: any of a family of genes that undergo mutation to oncogenes and especially to some commonly linked to human cancers (as of the colon, lung, and pancreas)
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Origin of RAS
probably fr 1rat + sarcoma; from the isolation of such genes in rat sarcomas
Medical Dictionary
ras
noun , often attrib \ˈras\
Medical Definition of RAS
: any of a family of genes that undergo mutation to oncogenes and especially to some commonly linked to human cancers (as of the colon, lung, and pancreas) <ras oncogenes> <ras proteins>
Origin of RAS
rat sarcoma
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