Definition of Presure
Pres"sure (?), n. Electro-motive
force.
Pres"sure (?; 138), n. [OF., fr. L.
pressura, fr. premere. See 4th Press.]
1. The act of pressing, or the condition of being
pressed; compression; a squeezing; a crushing; as, a pressure
of the hand.
2. A contrasting force or impulse of any kind;
as, the pressure of poverty; the pressure of taxes; the
pressure of motives on the mind; the pressure of
civilization.
Where the pressure of danger was not
felt. Macaulay.
3. Affliction; distress; grievance.
My people's pressures are grievous.
Eikon Basilike.
In the midst of his great troubles and
pressures. Atterbury.
4. Urgency; as, the pressure of
business.
5. Impression; stamp; character
impressed.
All saws of books, all forms, all pressures
past. Shak.
6. (Mech.) The action of a force
against some obstacle or opposing force; a force in the nature of a
thrust, distributed over a surface, often estimated with reference to
the amount upon a unit's area.
Atmospheric pressure, Center of
pressure, etc. See under Atmospheric,
Center, etc. -- Back pressure (Steam
engine), pressure which resists the motion of the piston, as
the pressure of exhaust steam which does not find free outlet. --
Fluid pressure, pressure like that exerted by a
fluid. It is a thrust which is normal and equally intense in all
directions around a point. Rankine. -- Pressure
gauge, a gauge for indicating fluid pressure; a
manometer.
Pres"sure (?), n. Electro-motive
force.
- Webster's Unabridged Dictionary (1913)
- (physics) The amount of force that is applied over a given area divided by the size of this area.
Units
*SI: pascal (Pa) (1 pascal equals 1 newton per square metre)
*Others: bar (1 bar equals 100000 pascals), barye (Ba) (1 barye equals 0.1 pascal), pounds per square inch (psi, lbf/in2, lb/in2), torr, mmHg, atmosphere (atm)
- mental strain caused by one's own or others' expectations on one's own performance
She has been under pressure lately because her boss expects her to get the job done two weeks early.
- To encourage or heavily exert force or influence.
Do not let anyone pressure you into buying something you do not want.
- The Nuttall Encyclopedia
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The correct Spelling of this word is: Pressure
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