barometer

The barometer is falling.

furniture is a barometer of changing tastes.

the barometer had fallen a further ten points.

Opinion polls serve as a barometer of the public mood.

The arrow on the barometer was pointing to “Stormy”.

Infant mortality is a highly sensitive barometer of socio-economic conditions.

They are like the parakeet in the mine—they are a good barometer of what’s going on.

The barometer marked a continuing fall in atmospheric pressure.