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Definition of DNA (figurative)

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DNA (figurative): The essence or master blueprint of something. Since DNA became widely known to be the genetic material of humans and many other organisms, the term DNA has moved into the popular domaine as a figurative synonym for the basic blueprint, as in "the DNA of top achievers."

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=40630
Last Editorial Review: 6/14/2012