pressure

Definitions

  • Taking the Blood Pressure
    Taking the Blood Pressure
  • WordNet 3.6
    • v pressure to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city" "He squeezed her for information"
    • v pressure exert pressure on someone through threats
    • n pressure 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"
    • n pressure a force that compels "the public brought pressure to bear on the government"
    • n pressure the somatic sensation that results from applying force to an area of skin "the sensitivity of his skin to pressure and temperature was normal"
    • n pressure the pressure exerted by the atmosphere
    • n pressure 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"
    • n pressure the state of demanding notice or attention "the insistence of their hunger","the press of business matters"
    • n pressure an oppressive condition of physical or mental or social or economic distress
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The human heart can create enough pressure that it could squirt blood at a distance of thirty feet
    • Pressure 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."
    • Pressure Affliction; distress; grievance. "My people's pressures are grievous.""In the midst of his great troubles and pressures ."
    • Pressure Electro-motive force.
    • Pressure Impression; stamp; character impressed. "All saws of books, all forms, all pressures past."
    • Pressure The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.
    • Pressure (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.
    • Pressure Urgency; as, the pressure of business.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The giraffe has the highest blood pressure of any animal.
    • n pressure The act of pressing; the exertion of force by pressing; the state of being pressed.
    • n pressure In mech.: An equilibrated force.
    • n pressure A force per unit area exerted over the surface of a body or part of a body, and toward the interior of the body. A force exerted upon a surface is necessarily equilibrated; otherwise, since the surface has no mass, it would produce infinite velocity until equilibrium ensued. A pressure can produce no motion, because it is a state of equilibrium; but a continuous variation of pressure in a given direction will tend to produce motion toward the places of less pressure. Thus, if a cylinder of liquid in a tube is under greater pressure per square inch at one end than at the other, there will be a tendency to motion toward the end where the pressure is less.
    • n pressure Stress in general, being either thrust, pull, or shearing stress. For axis of pressure, conjugate pressure, and other phrases where pressure means stress, see the latter word.
    • n pressure The action of moral force; exertion of authority or influence; compulsion; a constraining influence or impulse.
    • n pressure Weight upon the mind; burdensomeness; oppressiveness; also, burden; oppression.
    • n pressure Urgency; demand on one's time or energies; need for prompt or decisive action: as, the pressure of business.
    • n pressure Impression; stamp; character impressed.
    • n pressure Specifically, in hydrostatics, that point of a plane, or of the side of a vessel containing a liquid, to which if a force were applied equal to the total pressure and in the opposite direction, it would exactly balance the total pressure.
    • n pressure Figuratively, a high degree of mental tension.
    • n pressure In electricity, a term sometimes used for voltage, electromotive force, or difference of potential.
    • n pressure In psychology, the specific quality of sensation furnished by the pressure-spots of the skin and by the organs of the articular sensitivity; pressure-sensation.
    • n pressure The intrinsic pressure K is , where σ is the density of the fluid and (ψ)z is the attraction of an infinite layer of a fluid of unit density, bounded by a plane, upon a unit mass at a distance z from the plane.
    • n pressure In a compressor, the pressure of the air or gas at the end of the stroke after it is compressed.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The human heart creates enough pressure to squirt blood 30ft.
    • n Pressure presh′ūr act of pressing or squeezing: the state of being pressed: impulse: constraining force or influence: that which presses or afflicts: difficulties: urgency: strong demand:
    • n Pressure presh′ūr (physics) the action of force on something resisting it
    • ***

Quotations

  • Mary Case
    Mary Case
    “No pressure, no diamonds.”
  • Dwight Gooden
    Dwight Gooden
    “I don't feel any pressure. I just try to stay calm, follow my game plan and try not to overthrown.”
  • Ernest Hemingway
    Ernest%20Hemingway
    “Courage is grace under pressure.”
  • Eric Langmuir.
    Eric Langmuir.
    “A decision without the pressure of consequence is hardly a decision at all.”
  • James G. Bilkey
    James G. Bilkey
    “You never will be the person you can be if pressure, tension and discipline are taken out of your life.”
  • Babe Didrikson Zaharias
    Babe Didrikson Zaharias
    “Luck? Sure. But only after long practice and only with the ability to think under pressure.”

Etymology

Webster's Revised Unabridged Dictionary
OF., fr. L. pressura, fr. premere,. See 4th Press
Chambers's Twentieth Century Dictionary
O. Fr.,—L. pressurapremĕre, to press.

Usage

In literature:

Noises in the deaf ear and a feeling of pressure are also common.
"The Home Medical Library, Volume II (of VI)" by Various
Elevated tanks should always be placed so high as to afford a good working pressure in the entire system of pipes.
"The Home Medical Library, Volume V (of VI)" by Various
Meta, a pressure canister in her arms, turned to Jason as he came through the door.
"Deathworld" by Harry Harrison
Tenderness is elicited on making pressure over the seat of fracture, and also on distal pressure.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
If the bleeding is severe, a little pressure with the bandage over the dressing will stop it.
"Scouting For Girls, Official Handbook of the Girl Scouts" by Girl Scouts
Pressure, as we shall use it, is always a group phenomenon.
"Introduction to the Science of Sociology" by Robert E. Park
This brass rod, called a stay-rod, prevents the end of the boiler from blowing out when the steam pressure has reached its maximum value.
"Boys' Book of Model Boats" by Raymond Francis Yates
The pressure on the enemy is becoming greater.
"The Story of the Great War, Volume IV (of 8)"
The pressure went up.
"Astounding Stories of Super-Science April 1930" by Various
In the meanwhile the pressure for immediate relief was strong.
"Herbert Hoover" by Vernon Kellogg
This is to tighten the thong by pressure of the hand against the disc while using.
"Boy Scouts Handbook" by Boy Scouts of America
These holes must be kept open; otherwise the pressure of the gases may blow off the top of the cell.
"The Automobile Storage Battery" by O. A. Witte
In that hour every possible pressure was brought to bear against the amendment.
"The History of Woman Suffrage, Volume VI" by Various
The rudder was hauled up, so that it might not be destroyed by the pressure of the ice.
"Farthest North" by Fridtjof Nansen
There is evidence of colicky pain, and the abdomen is sensitive to pressure.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
In a moment the crushing pressures of the depths would come seeping in.
"Astounding Stories, August, 1931" by Various
When the number of steps is infinite, the capillary pressure disappears altogether.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3" by Various
Even a more direct pressure is not always wanting.
"American World Policies" by Walter E. Weyl
You now see that, owing to the elastic skin of a soap-bubble, the air inside is under pressure and will get out if it can.
"Soap-Bubbles" by C. V. Boys
If heated with water under pressure to about 260 deg.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
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In poetry:

And so I turn, and for a space
Within the sacred Past I stand,
To feel the sunshine of a face,
The kindly pressure of a hand.
"Dead Flowers" by Alexander Anderson
There were gentle whispers and touches
Love only can hear and feel;
And pressure of dainty fingers
In the changes of the reel.
"We Danced At Night In The Farm House" by Alexander Anderson
Life was trembling, faintly trembling
On the bondman's latest breath,
And he felt the chilling pressure
Of the cold, hard hand of Death.
"The Dying Bondman" by Frances Ellen Watkins Harper
Perhaps the hand of unrelenting fate
Fell with such tragic pressure, that the mind
In frenzy, uncontrollable and blind,
Sought but the darkness, black and desolate.
"The Suicide." by Alfred Castner King
Ah!—the dead wife's voice she knows!
That cold hand whose pressure froze,
Once in warmest life had borne
Gem and band her own hath worn.
"Wake thee! wake thee!" Lo, his eyes
Open with a dull surprise.
"The New Wife and the Old" by John Greenleaf Whittier
Wan spirits, we shall journey thro' Thy land,
The mist-like wraiths of what we used to be;
O shall I know the pressure of her hand,
And shall I recognize her call to me,
As I do now? Is love the same thro' all eternity?
"Unanswered" by Charles Hanson Towne

In news:

VP51 proportional valve has DeviceNet capabilities and provides command sign and feedback pressure.
Striping machines are basically simple pieces of equipment, essentially using pressure to apply paint to pavement.
Tom Pennington/Getty ImagesDespite being under consistent pressure Sunday, Tony Romo threw for 283 yards against the Bucs.
The Tomahawks pressure led to a goal in the 15th minute, when Algonquin 's Alex Hayes' pass from 10 yards out found Samantha Friday, who was left uncovered by the Colonial defense.
Under a certain amount of pressure Google has announced that starting next week it will be changing the ranking algorithm .
Brooks Johnson (middle) uses Ariel Youngblood (left) to show Rakeem Hunt and Eboni Patterson (right) how to apply pressure during a training clinic.
With new faces, including redshirt freshman Thomas Niles, playing increased roles, the Knights defensive line is bringing more pressure.
BEMIDJI – In a sense, the pressure is now off the Bemidji State football team.
Winds West at 9.2 MPH Pressure 30.20 inches Dewpoint 46.0° F Visibility 10.00 miles Area forecast.
Cape Coral resident Linda Kneisler takes blood pressure medication every day, plus vitamins.
IPad 2 winner Leo Mora and his wife, Nancy, pictured by Leo's pressurized Cessna Skymaster.
It operates at pressures to 5000 psi.
The ayatollah 's blunt warning differs from his past tendency to avoid increased pressure on Mr Ahmadinejad.
Environmentalists pressure the insurance industry.
The pressure is on, Kanye West.
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In science:

Due to the masslessness of the partons created in the reaction zone the trace of the energy momentum tensor vanishes; in the absence of longitudinal pressure Pk , the transverse pressure P⊥ must thus be related to the initial energy density ε = T 00 by ε = 2P⊥ (instead of the usual ε = 3P ).
Elliptic Flow from a Transversally Thermalized Fireball
Crosses are data at ambient pressure . b) Structural relaxation time hτ i of OTP from photon-correlation measurements at different pressures.
Can experiments select the configurational component of excess entropy?
The interstellar pressure in the solar neighborhood, when various components of pressure are included, is p0 ∼ 104 .
The Diversity of Gamma-Ray Bursts and the Surroundings of Massive Stars
Although we could not use our representation theorem to calculate the pressure for classical spin systems, as defined in Section 4, we can prove that the limiting pressure exists, by a very simple argument.
A Thinning Analogue of de Finetti's Theorem
The pressure in the bubbles inferred from the radio emission and the assumption of equipartition between magnetic and relativistic particles is lower than the ambient pressure (Blanton 2004).
Feedback Heating with Slow Jets in Cooling Flow Clusters
In this case, the axial pressure pz is equal to zero and the energy density, radial and azimuthal pressures or tensions are only functions of the radial coordinate r.
On the stability of general relativistic geometric thin disks
The Chazy-Curzon thin disk in Weyl coordinates has only azimuthal pressure, the absence of a radial pressure turns this solution rather unphysical.
On the stability of general relativistic geometric thin disks
As horizontal pressure is applied along the edge of a rug, folds appear perpendicular to the direction of pressure.
On the Quantum Aspects of Geophysics
The result e is a recent result obtained at a medium pressure (10 atm) in order to check effects of the pressure dependence [129].
Precision physics of simple atoms: QED tests, nuclear structure and fundamental constants
He showed that the value of the parallel electric field depends on the dimensionless parameter r = βmi /me with respect to one. (β = 2µ0p/B 2 is the ratio of the kinetic plasma pressure to the magnetic pressure, and mi /me is the ion to electron mass ratio.) In G´enot et al. mi /me = 100, β ∼ 800−1 and r = 0.125.
Comment on "PIC simulations of circularly polarised Alfv\'en wave phase mixing: A new mechanism for electron acceleration in collisionless plasmas" by Tsiklauri et al
For our present purposes we checked that this also applies to N = 3, which means that a well-behaved pressure is obtained that differs from the N → ∞ pressure by order 1/N .
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
Hence, the NLO pressure should be a good approximation to the exact pressure up to order 1/N 2 corrections.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
The difference between the pressure of the Q = 0 sector of the CP 1 model and the pressure of the O(3) nonlinear sigma model should thus give the contribution to the pressure of the CP 1 model from the topological configurations with Q 6= 0.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
FIG. 4: The normalized pressure P /T 2 of the O(N ) nonlinear sigma model to NLO in 1/N for N = 3 compared to the contribution to the pressure of the CP 1 model from the configurations with zero winding number.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
In Fig. 4, the result of the NLO order calculation of the pressure of the O(N ) nonlinear sigma model for N = 3 is compared to the contribution of the configurations with Q = 0 to the pressure of the CP 1 model.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
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