md

noun ! Definition from WordNet 3.1, Princeton University. More about md at Wordnik → Where our words come from →

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).
2. A licensed medical practitioner.

   I felt so bad I went to see my doctor

3. A Mid-Atlantic state; one of the original 13 colonies.