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general::
noun instrument that measures air pressure ADJ. aneroid, digital | high, low | steady The barometer has been steady for three days now. VERB + BAROMETER check, read | tap He tapped the barometer and noted where the needle was pointing. BAROMETER + VERB rise | drop, fall sth that shows the state of sth ADJ. accurate, good, reliable, sensitive, useful Infant mortality is a highly sensitive barometer of socio-economic conditions. | political PREP. ~ of
Oxford Collocations Dictionary