Of or pertaining to atmospheric pressure.(adjective)
Made or done with a barometer(adjective)
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Use "barometric" in a sentence
"In sketching out a system of barometric observation having especial reference to the acquisition of data from which the _barometric character_ of certain large areas of the surface of the globe may be determined -- inasmuch as such areas are distinguished from each other, on the one hand by consisting of extensive spaces of the oceanic surface unbroken, or scarcely broken, by land; on the other by the proximity of such oceanic surface to large masses of land, and these masses presenting two essentially different features, the one consisting of land particularly characterized as continental, the other as insular, regard has been accordingly had to such distribution of land and water."
"To a lesser extent, changes in barometric pressure also affect tidal swings."
"Bottom line: atmospheric pressure (aka barometric pressure) is usually represented by the international unit of pressure called the "bar"."