鎮痛

1. Origins, structure, and basic meaning

• Structure: 鎮痛 (ちんつう) is a noun for pain relief or analgesia, the easing of pain.
• Basic usage: It appears in descriptions of a medicine's effect or methods of relieving pain discussed in a lecture.
  • 薬の箱に鎮痛の効果が記されている。 — The medicine box states that it provides pain relief.
  • 講義で鎮痛に使われる方法の種類を学んだ。 — In the lecture, we learned about different methods used to relieve pain.

2. Common pitfalls and similar expressions

• Pain relief and pain-relief medicine
  • 鎮痛 names the effect or purpose of reducing pain, while 鎮痛薬 specifically names medicine used for that purpose.