(いがく)

いがく
noun
medical science; medicine (field)
1. medical science, medicine
The academic field and science of medicine.
医学(いがく)(まな)
To study medicine.
医学部(いがくぶ)(はい)りたい
I want to enter medical school.
Advances in medical science are very fast.

医学(いがく) refers to medical science as an academic discipline — the study and science of medicine, not medicine as a substance.

COMMON COMPOUNDS:

  • 医学部(いがくぶ): medical school/department
  • 医学生(いがくせい): medical student
  • 医学者(いがくしゃ): medical scientist
  • 医学的(いがくてき): medical (adjective, as in 医学的(いがくてき)根拠(こんきょ), medical evidence)

RELATED FIELDS:

  • 歯学(しがく): dentistry
  • 薬学(やくがく): pharmacy/pharmaceutical science
  • 獣医学(じゅういがく): veterinary medicine

IMPORTANT DISTINCTION:
医学(いがく) = medical science (the field). For "medicine" as in medication/drugs, use (くすり) or 医薬品(いやくひん).