barometer
Trend indicator metaphorically
A barometer is an instrument that measures atmospheric pressure, used primarily in weather forecasting—falling pressure typically signals approaching storms.
Figuratively, a barometer is any indicator of change or fluctuation: Stock prices serve as a barometer of economic confidence.
Her mood was a barometer of the team's morale.
Without liquid medium
- mercuryLiquid metallic element
- gaugeStandard of measurement
- dialGraduated circular indicator
- altimeterInstrument measuring elevation
manometer · hygrometer · sensor · transducer · calibration · readout · scale · graduation
Weight of air above
- humidityMoisture in atmosphere
- stormSevere atmospheric disturbance
- cycloneRotating low-pressure storm system
- hurricaneViolent tropical windstorm
meteorology · precipitation · front · high pressure · low pressure · falling pressure · rising pressure · fair weather
Unit of quantity
- gaugeStandard of measurement
- benchmarkStandard for comparison
- indexAlphabetical guide to contents
- yardstickThirty-six-inch ruler
signal · predictor · bellwether · metric · marker · litmus test · touchstone · standard
aneroid
Without liquid medium
altimeter · manometer · hygrometer · sensor · transducer · calibration · readout · scale · graduation · indicator
atmospheric pressure
Weight of air above
- humidityMoisture in atmosphere
- stormSevere atmospheric disturbance
- cycloneRotating low-pressure storm system
hurricane · meteorology · precipitation · front · high pressure · low pressure · falling pressure · rising pressure · fair weather · clouds
measure
Unit of quantity
yardstick · signal · predictor · bellwether · metric · marker · litmus test · touchstone · standard · indicator
ship
Seagoing transport vessel
- binnacleNautical compass housing
- sextantMaritime angular measurement device
- compassDevice showing cardinal directions
captain · navigation · maritime · seafaring · voyage · storm warning · glass · brass · mahogany · chronometer
- weather termssunny, rainy, cloudy, stormy, snowy
- analog technologyanalog clocks, analog clock, analog computers, film cameras, analog meter
- gaugesgauge, pressure gauge, fuel gauge, temperature gauge, depth gauge
- antique instrumentsastrolabe, sextant, octant, quadrant, theodolite
- measurement toolsruler, scale, gauge, stopwatch, tape measure
- measuring instrumentsruler, tape measure, measuring tape, caliper, calipers
barometeraberration
Deviation from the norm
anomaly · deviation · abnormality · outlier · red herring
- barometric pressureWeight of air overhead
- mercury barometerDevice measuring atmospheric pressure
- barometer readingMeasured atmospheric pressure value