microbar
/ˈmaɪkroʊˌbɑr/
noun
- A unit of atmospheric pressure equal to one millionth of a bar, used in meteorology and physics.
- The barometer's precision allows it to detect differences as small as one microbar.
- The weather station recorded a pressure change of just a few microbars before the storm.
- Scientists measure tiny pressure fluctuations in microbars to study seismic waves.