WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a unit of potential equal to one thousandth of a volt
n. a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
Word Usage
"A Google search found a list of internet country identifiers and it turns out that mv is the Maldives."