1.
medical science, medicine
The academic field and science of medicine.
医学 refers to medical science as an academic discipline — the study and science of medicine, not medicine as a substance.
COMMON COMPOUNDS:
- 医学部: medical school/department
- 医学生: medical student
- 医学者: medical scientist
- 医学的: medical (adjective, as in 医学的な根拠, medical evidence)
RELATED FIELDS:
- 歯学: dentistry
- 薬学: pharmacy/pharmaceutical science
- 獣医学: veterinary medicine
IMPORTANT DISTINCTION:
医学 = medical science (the field). For "medicine" as in medication/drugs, use 薬 or 医薬品.