The same as baroclinicity; a measure of how tilted pressure and density layers are in the atmosphere, which generates storm systems and circulation.
From 'baro-' (pressure) + 'clinity' (tendency to slope), from Greek 'klinein' (to lean). A variant technical term used in atmospheric and fluid dynamics.
Scientists sometimes use both 'baroclinicity' and 'baroclinity' interchangeably, but 'baroclinity' sounds more like the physical property itself—it's the actual 'slope tendency' in the air masses!
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