A unit of atmospheric pressure equal to one-tenth of a bar, used in meteorology and physics.
Formed from the prefix 'deci-' (one-tenth) combined with 'bar,' a unit of pressure. It's part of the metric system's logical subdivision of larger units.
Weather scientists sometimes use decibars in specialized research because they need fine precision—you might see it on deep-sea research vessels measuring water pressure at incredible depths!
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