also: バロメータ
Refers specifically to the meteorological instrument for measuring atmospheric pressure. The native term 気圧計 is also used.
See also: 気圧計 (きあつけい)
When the barometer reading drops, the weather often turns bad.
Figurative use: something that shows the state or trend of a situation, such as economic health or public opinion.
Stock prices are said to be a barometer of the economy.
This survey is used as a barometer of consumer confidence.
Stock prices serve as a barometer of the economy.
Doctors use body temperature as an indicator.