Noun
MDNA (uncountable)
(genetics) Alternative spelling of mtDNA (mitochondrial DNA)
(genetics) Alternative spelling of mtDNA (mitochondrial DNA)
Abbreviation of murine DNA.
Abbreviation of mouse DNA.
She hit the road prior in 2012 with the “MDNA” tour, which grossed $305.2 million ($314.58 million in 2016 dollars) on its way to becoming the tenth highest-grossing tour of all time, according to a report on The Los Angeles Times. Source: Internet