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baroclinity

American  
[bar-uh-klin-i-tee] / ˌbær əˈklɪn ɪ ti /
Also baroclinicity

noun

Meteorology.
  1. a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.


Etymology

Origin of baroclinity

baro- + (in)cline + -ity