noun
1 instrument that measures air pressure
ADJECTIVE
▪ aneroid
VERB + BAROMETER
▪ check , read
▪ tap
▪
He tapped the ~ and noted where the needle was pointing.
BAROMETER + VERB
▪ rise
▪ drop , fall
2 sth that shows the state of sth
ADJECTIVE
▪ accurate , good , reliable , sensitive , useful ( esp. BrE )
▪
Infant mortality is a highly sensitive ~ of socio-economic conditions.
▪ cultural , moral , political
PREPOSITION
▪ ~ of