From WordNet (r) 3.0 (2006):
Md
n 1: a radioactive transuranic element synthesized by bombarding
einsteinium with alpha particles (Md is the current symbol
for mendelevium but Mv was formerly the symbol) [syn:
mendelevium, Md, Mv, atomic number 101]
2: a licensed medical practitioner; "I felt so bad I went to see
my doctor" [syn: doctor, doc, physician, MD, Dr.,
medico]
3: a Mid-Atlantic state; one of the original 13 colonies [syn:
Maryland, Old Line State, Free State, MD]
4: a doctor's degree in medicine [syn: Doctor of Medicine,
MD]