definition of
[Mv]

[1] #1 Mv n. [millivolt, mV] a unit of potential equal to one thousandth of a volt. wn

[2] #2 Mv n. [mendelevium, Md, atomic number 101] a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol). wn