Hypertext Webster Gateway: "pressure"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Pressure \Pres"sure\, n.
Electro-motive force.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Pressure \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.

3. Affliction; distress; grievance.

My people's pressures are grievous. --Eikon

In the midst of his great troubles and pressures.

4. Urgency; as, the pressure of business.

5. Impression; stamp; character impressed.

All saws of books, all forms, all pressures past.

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 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

From WordNet (r) 1.7 (wn)

n 1: the force applied to a unit area of surface; measured in
pascals (SI unit) or in dynes (cgs unit); "the
compressed gas exerts an increased pressure" [syn: {pressure
level}, {force per unit area}]
2: a force that compels; "the public brought pressure to bear
on the government"
3: the act of pressing; the exertion of pressure; "he gave the
button a press"; "he used pressure to stop the bleeding";
"at the pressing of a button" [syn: {press}, {pressing}]
4: the state of urgently demanding notice or attention; "the
press of business matters" [syn: {imperativeness}, {insistence},
{insistency}, {press}]
5: the somatic sensation of pressure; "the sensitivity of his
skin to pressure and temperature was normal" [syn: {pressure
v 1: to cause to do through pressure or necessity, by physical,
moral or intellectual means :"She forced him to take a
job in the city" [syn: {coerce}, {hale}, {force}]
2: exert pressure on someone through threats [syn: {blackmail},

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