noun
camphor (as a cardiotonic drug)
Historical medical term for a camphor-based injection used to stimulate the heart. Now mostly encountered in historical contexts or in the set phrase カンフル注射.
See also: カンフル注射
昔、医者は心臓を強めるためにカンフル剤を使った。
In the past, doctors used camphor as a cardiotonic drug to strengthen the heart.
noun
shot in the arm; stimulus; impetus
Figurative use derived from the historical drug. Refers to something that revitalizes or gives a sudden boost, often used in economic, political, or motivational contexts.
減税は景気へのカンフル剤として期待されている。
The tax cut is expected to act as a shot in the arm for the economy.
彼の言葉がチームにとってカンフル剤になった。
His words served as a stimulus for the team.