名詞 m.d.:

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)
   同義詞：mendelevium, Md, Mv, atomic number 101
2. a licensed medical practitioner
   同義詞：doctor, doc, physician, MD, Dr., medico
3. a Mid-Atlantic state; one of the original 13 colonies
   同義詞：Maryland, Old Line State, Free State, MD
4. a doctor's degree in medicine
   同義詞：Doctor of Medicine, MD