1. MD - Noun
2. MD - Adjective
3. MD - Proper noun
a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)
a Mid-Atlantic state; one of the original 13 colonies
a doctor's degree in medicine
a licensed medical practitioner
Source: WordNetI felt so bad I went to see my doctor Source: Internet