pressure in Wingdings is ◻︎❒︎♏︎⬧︎⬧︎◆︎❒︎♏︎

The action of a force against some obstacle or opposing force;a force in the nature of a thrust, distributed over a surface, oftenestimated with reference to the upon a unit's area. Atmosphericpressure, Center of pressure, etc. See under Atmospheric, Center,etc.-- Back pressure (Steam engine), pressure which resists the motionof the piston, as the pressure of exhaust steam which does not findfree outlet.-- Fluid pressure, pressure like that exerted by a fluid. It is athrust which is normal and equally intense in all directions around apoint. Rankine.-- Pressure gauge, a gauge for indicating fluid pressure; amanometer.