• WordNet 3.6
    • adj low-pressure not forceful "a low-pressure salesman","a low-pressure campaign"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: If the goverment passed a law that all the outdoor lighting in the united states had to be provided by low pressure sodium light bulbs, then they would save enough money to pay for evey college students tuition.
    • Low-pressure Having, employing, or exerting, a low degree of pressure.
    • Low-pressure same as easygoing, 4; as, a low-pressure salesman.
    • ***
Century Dictionary and Cyclopedia
    • low-pressure Working with a low degree of steam-pressure: as, a low-pressure engine. See low pressure, under pressure.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Low-pressure employing or exerting a low degree of pressure (viz. less than 50 lb. to the sq. inch), said of steam and steam-engines
    • ***


Chambers's Twentieth Century Dictionary
Ice. lágr, Dut. laag, low; allied to A.S. licgan, to lie.


In literature:

Anyhow, the inside of a tornado is like a vacuum, the pressure is so low.
"The Boy with the U. S. Weather Men" by Francis William Rolt-Wheeler
Better men than you have spent their lives on the low pressure idea and failed.
"The Forbidden Trail" by Honoré Willsie
The pressure and grinding of the earth upon opposite sides of the fissures has formed long low ridges of earth.
"The Western United States" by Harold Wellman Fairbanks
One can scarcely go low enough to find that pressure absent.
"The American Credo" by George Jean Nathan
W is the supplementary cylinder to contain the low-pressure balance piston.
"Steam Turbines" by Hubert E. Collins
The process of movement is repeated through this stage; and again in D^3, the low-pressure drum.
"How it Works" by Archibald Williams
A special torch and low pressure air supply give a very satisfactory flame.
"The Automobile Storage Battery" by O. A. Witte
The areas of low pressure are called cyclones, while the areas of high pressure are called anti-cyclones.
"Nature's Miracles, Volume 1" by Elisha Gray
Gardeners are well aware of the noxious influence of a low osmotic pressure.
"The Mechanism of Life" by Stéphane Leduc
The usual practice is to make the volume of the low-pressure cylinder from 2.5 to 3 times that of the high-pressure.
"Steam Engines" by Anonymous
A tube containing neon at a low pressure is especially suitable for this purpose.
"Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2" by Various
Charles Mcintosh, Master, propelled by two low-pressure engines of fifty-horse power each.
"Toronto of Old" by Henry Scadding
The high and the low pressure cylinders were 5 and 8 in.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5" by Various
This outfit is for the purpose of maintaining an even low spraying pressure.
"Advanced Toy Making for Schools" by David M. Mitchell
Starting forward in the afternoon of March 24, we crossed many small floes with low-pressure lines separated by narrow belts of new ice.
"My Attainment of the Pole" by Frederick A. Cook
When there was but a quarter of a mile to go, Sawny felt a little more pressure upon the bit and heard Everett's voice speaking low.
"Concerning Sally" by William John Hopkins
For the glands on the suction side water is supplied from a low-pressure service.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 1" by Various
Increasing temperature combined with low pressure was not a healthy weather combination in January.
"The Pillar of Light" by Louis Tracy
They also were constructed with low pressure engines and heavy machinery.
"Historic Highways of America (Vol. 9)" by Archer Butler Hulbert
Probably 15 or 20 separate areas of low pressure may be traced on to the paper.
"Practical Exercises in Elementary Meteorology" by Robert DeCourcy Ward

In news:

Control output pressures from 0 to 30 psig, and are especially suited to low-pressure regulation, such as 0.5 psig.
Low-Pressure Sewer Systems: Economic Advantages from Construction Through Operation and Maintenance.
It can operate at low line pressures and uses close tolerance, high speed mixing heads.
The answer is that over the last three years, a series of abnormally strong low-pressure troughs off the West Coast have produced below normal seasonal temperatures and at times a very deep marine layer.
Mancuso, an epidemiologist who battled political and scientific pressure as he sought to publicize the dangers of chemicals, low-level radiation and metals in the workplace, died in July.
Texoma will enjoy mild but windy weather through mid-week, as the next upper level and surface low pressure zones take shape.
Several weather models are predicting the development of a low pressure system near Florida and the Southeast US late in the weekend or early next week.
This NOAA satellite image taken Thursday, September 06, 2012 at 10:45 AM EDT shows an area of low pressure over southeastern Canada with a cold front extending southward through the eastern United States.
Other parts of the state are also experiencing a high risk of rip current s as well as rough surf and large waves from a low pressure system in the Gulf of Mexico.
The forecast for Milwaukee, Waukesha and southeast Wisconsin is for sunshine, low humidity and comfortable temperatures for Friday and the weekend thanks to a large area of high pressure.
This low pressure feature provides precise tracing data and prolongs the lifetime of the tracer 's stylus, the company said.
There's a little video of a weather forecast on Chicago's WGNTV website, and we're scoping out this low-pressure system when suddenly, out of no where, in walks Jeff Tweedy .
An area of low pressure has stayed pretty much stationary off the northwest coast of Washington.
A solution to this decades-old problem was recently discovered-diamond films made by a new low-pressure vapor process make diamond a viable choice for engineers.
The rig is available in low pressure rotary or high pressure hammer drilling configurations.

In science:

In panel (b) the pressure for the low-resolution simulations has been shifted 0.05 to make the plot readable.
The nonlinear development of the thermal instability in the atomic ISM and its interaction with random fluctuations
In low-mass groups (where Tvir < TSN ), feedback reduces the luminosity further because the outflowing reheated material increases the pressure of the hot gas.
The impact of galaxy formation on X-ray groups
As I consider the entire flow is relativistic, i.e., β is very low (radiation pressure dominated flow), the soft photon in the disk is very profuse.
Unification to the "Pseudo-General-Relativistic" analysis of accretion disks around rotating black holes and neutron stars
These numbers should be compared with Rt ∼ 14 pc and Rc/Rt ∼ 1.8, respectively, in the case of a low pressure ISM.
The Diversity of Gamma-Ray Bursts and the Surroundings of Massive Stars
It can be seen that the sources ˙M−5/v8 in the expected range, but that the with a high estimated pressure have values of value for GRB 990123 is low.
The Diversity of Gamma-Ray Bursts and the Surroundings of Massive Stars
This temperature implies a low density in the bubble, assuming pressure equilibrium with the ICM.
Feedback Heating with Slow Jets in Cooling Flow Clusters
For the very random lattices generated at low Lennard-Jones pressure (T = 8.0, P < 0.3) the values of A/(γ 2∆K (x = 0)/µ2 ) and B are nearly constant, as our framework predicts for the simple case of deltafunction spatial correlations.
Nonaffine Correlations in Random Elastic Media
As one can see, for low temperatures and all finite values of N the pressure first decreases with increasing T . A decreasing pressure implies that the entropy becomes negative.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
Fig. 4 shows that for very low and high temperatures the pressures coincide, while for intermediate temperatures they are very different.
The effects of quantum instantons on the thermodynamics of the CP^(N-1) model
This differs from the Patterson (2001) relation by having a small offset from the origin, which is due to pressure-induced retrograde precession of a stable eccentric mode in systems with very low q .
The dynamics of eccentric accretion discs in superhump systems
When this pressure is sufficiently low, a neutrino-driven wind spontaneously emerges from the inner core, announced and preceded by a secondary shock wave (25; 9).
Multi-Dimensional Explorations in Supernova Theory
With the latter, one might simultaneously observe with low spectral resolution over a wide bandwidth and with high spectral resolution over a narrow bandwidth; this mode could be useful for observations of pressure-broadened lines with narrow cores, for example.
ALMA Capabilities for Observations of Spectral Line Emission
The separation of charge creates electrons and holes that can become delocalized to render the compound conducting and, at low temperatures, superconducting (under pressure).
Route to Room-Temperature Superconductivity from a Practical Point of View
The semiclassical approach accounts for the Fermi pressure at low temperatures.
Theory of ultracold Fermi gases
Previously reported magnetic and electronic inhomogeneities at ambient pressure and very low temperatures are removed with external pressures exceeding 1.2 kbar.
Pressure induced variation of the ground state of CeAl3