barrier

Definitions

  • "The Chain Barrier."
    "The Chain Barrier."
  • WordNet 3.6
    • n barrier a structure or object that impedes free movement
    • n barrier any condition that makes it difficult to make progress or to achieve an objective "intolerance is a barrier to understanding"
    • n barrier anything serving to maintain separation by obstructing vision or access
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The tip of a bullwhip moves so fast that it breaks the sound barrier. The crack of the whip is actually a tiny sonic boom.
    • Barrier (Fort) A carpentry obstruction, stockade, or other obstacle made in a passage in order to stop an enemy.
    • Barrier A fence or railing to mark the limits of a place, or to keep back a crowd. "No sooner were the barriers opened, than he paced into the lists."
    • Barrier A fortress or fortified town, on the frontier of a country, commanding an avenue of approach.
    • Barrier Any limit or boundary; a line of separation. "'Twixt that [instinct] and reason, what a nice barrier !"
    • Barrier Any obstruction; anything which hinders approach or attack. "Constitutional barriers ."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The largest coral reef in the world is the Great Barrier Reef located in Australia. The reef is approximately 2023 kilometers long
    • n barrier In fortification, anything, as a palisade or stockade, designed to obstruct entrance into a fortified place.
    • n barrier plural The palisades or railing surrounding the ground where tourneys and justs were carried on; hence, the sports themselves (formerly sometimes with the plural in a singular sense).
    • n barrier Any obstruction; anything which hinders approach, attack, or progress; anything standing in the way; an obstacle: as, to build a wall as a barrier against trespassers; constitutional barriers.
    • n barrier A fortress or fortified town on the frontier of a country.
    • n barrier A limit or boundary of any kind; a line of separation.
    • n barrier The gate, in towns on the continent of Europe, at which local revenue duties are collected.
    • n barrier In China, a subordinate customs station placed on an inland trade-route for the collection of duties on goods in transit.
    • n barrier In coal-mining, a solid block of coal left unworked between two collieries, for security against the accidents which might occur in consequence of communication between them.
    • barrier To shut in or off with a barrier.
    • n barrier The starting apparatus used in races: designed to keep the horses behind a certain line until the word is given, and thus prevent unfair advantage in starting.
    • n barrier In phytogeography, any obstacle which prevents or restricts the migration of plants. Clements distinguishes physical barriers, such as large bodies of water, mountain-ranges, and deserts, and biological barriers, including vegetation, man and animals, and plant parasites.
    • n barrier See the qualifying words.
    • n barrier A treaty in 1748, terminating the War of the Austrian Succession.
    • n barrier in 1831, for the settlement of the Belgian question
    • n barrier in 1840, for the settlement of the relations between Turkey and Egypt
    • n barrier in 1871, abrogating the neutrality of the Black Sea.
    • n barrier A treaty between Prussia and Austria in 1866, by which the former power succeeded the latter in the hegemony of Germany.
    • n barrier that of 1809, between France and Austria, in favor of the former
    • n barrier that of 1815, by the congress of the European states, reorganizing the affairs of Europe
    • n barrier that of 1864, between Denmark and allied Austria and Prussia, ending the Schleswig-Holstein war
    • n barrier that of 1866, between Austria and Italy, by which Venetia was ceded to the latter.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The only commercial aircraft that is able to break the sound barrier is the Concorde.
    • n Barrier bar′i-ėr a defence against attack: a limit or boundary: a fence, railing, gate where customs are collected: the lists in a tournament: any obstacle that keeps apart:
    • v.t Barrier to shut by means of a barrier
    • n Barrier bar′i-ėr (pl.) a martial exercise in 15th and 16th centuries
    • ***

Quotations

  • George Eliot
    George%20Eliot
    “Human beliefs, like all other natural growths, elude the barrier of systems.”
  • Franklin D. Roosevelt
    Franklin%20D.%20Roosevelt
    “The barrier between success is not something which exists in the real world: it is composed purely and simply of doubts about ability.”
  • Elbert Hubbard
    Elbert%20Hubbard
    “There is no failure except in no longer trying. There is no defeat except from within, no insurmountable barrier except our own inherent weakness of purpose.”
  • Herman Cain
    Herman Cain
    “Nobody motivates today's workers. If it doesn't come from within, it doesn't come. Fun helps remove the barriers that allow people to motivate themselves.”
  • Mark Caine
    Mark Caine
    “A barrier is of ideas, not of things.”
  • John F. Kennedy
    John%20F.%20Kennedy
    “Peace is a daily, a weekly, a monthly process, gradually changing opinions, slowly eroding old barriers, quietly building new structures.”

Etymology

Webster's Revised Unabridged Dictionary
OE. barrere, barere, F. barrière, fr. barre, bar. See Bar (n.)
Chambers's Twentieth Century Dictionary
O. Fr. barrière—Low L. barrariabarra, bar.

Usage

In literature:

The German General Staff did not believe the Belgians intended to raise a serious barrier in their path.
"The Story of the Great War, Volume II (of VIII)" by Various
It did not take them long to reach the barrier.
"Pirates of the Gorm" by Nat Schachner
No such barrier is known on Earth.
"Invasion" by William Fitzgerald Jenkins
The southwestern trail headed slantwise for the mountains, which snowy barrier bounded his vision to the west the whole of his journey.
"The Night Riders" by Ridgwell Cullum
I'll go and have a look at the barrier.
"Two Arrows" by William O. Stoddard
Long after nightfall I reached the crest of Park Hill, the last barrier to Estes Park.
"A Mountain Boyhood" by Joe Mills
She looked toward the serrated barrier of mountains, in the very middle of which stood old Thunder under his pall of cloud.
"The Heart of Thunder Mountain" by Edfrid A. Bingham
But between women the barriers have been of a more serious type.
"The History of Woman Suffrage, Volume V"
It was he who had broken down the barriers.
"Two Thousand Miles Below" by Charles Willard Diffin
The barriers run along the line of fortifications and form the "octroi," or tax limit of the city.
"Mlle. Fouchette" by Charles Theodore Murray
There is no barrier in a girl's heart so strong against love as the feeling that the man in question stands in awe of her.
"Marion Fay" by Anthony Trollope
Only fifteen months ago President Taft made his memorable declaration that this barrier ought to be removed from the pathway of peace.
"Prize Orations of the Intercollegiate Peace Association" by Intercollegiate Peace Association
Judge Forget-Not and his fellows are inspecting the barriers.
"Orphans of the Storm" by Henry MacMahon
A snapped order from Jim restored the barrier, momentarily lifted to let her pass.
"Astounding Stories, May, 1931" by Various
Ere he could give an order, there came one loud, flaming, whistling discharge from that living barrier drawn up across the road.
"The Boy Allies with the Cossacks" by Clair W. Hayes
The barriers make it a steady procession, a credible spectacle.
"A Journal of Impressions in Belgium" by May Sinclair
They put what they called a 'barrier car' between the locomotive and passenger coaches of the train.
"Railway Adventures and Anecdotes extending over more than fifty years" by Various
Do you consider that a barrier between us, between you and me?
"A Mad Love" by Bertha M. Clay
But as they advanced steadily and no barrier interfered, their spirits rose.
"Doubloons--and the Girl" by John Maxwell Forbes
Connery got off and went back to the barrier.
"The Blind Man's Eyes" by William MacHarg
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In poetry:

"Ha! Toro! Toro!"
Hoh! the horses are gored;
Now for the men.
"Ha! Toro! Toro!"
Every man over the barrier!
"The Bull-Fight" by Elizabeth Drew Barstow Stoddard
But, standing on the barrier
I used to view with pain,
I feel the chains of severed love
Are linking close again.
"The Highland Girl's Lament" by Mary Gardiner Horsford
Barriers and heart both broken—dust
Beneath her feet.
You've passed her forty times and sneered
Out in the street.
"To A Cabaret Dancer" by Djuna Barnes
And softly she sought a crevice
In that barrier blank and tall,
And shyly she thrust out through it
Her loveliest bud of all.
"Thisbe" by Helen Gray Cone
Drop by drop, and all in silence,
At their mound the waters grow,
Till the last wave proves too heavy,
And away the barriers go!
"We Are Silent" by Ernest Jones
"And next marched forth a matron Ewe
(While Time took down a bar for her),
Udder'd so large 'twas much ado
E'en then to clear the barrier.
"The Hard Times In Elfland [A Story of Christmas Eve]" by Sidney Lanier

In news:

Shelly Cayden helps her son, Marlow, 3, walk along the concrete barrier on Sixth Street during an outing on Thursday.
A recent blog for National Geographic NewsWatch celebrates the 25th anniversary of the Hol Chan Marine Reserve in Belize, the country's first marine reserve and one that protects the greatest barrier reef in the Western Hemisphere.
He hopes to break the sound barrier.
Ike Dike, East Coast storm barriers remain elusive goals for financial, environmental reasons.
A barrier many doubted would ever be built suddenly looks very real.
In addition, a layer of collagen ranging in thickness from 0.2 mm to 0.7 mm grows around the implant once it is inside the body, so the device had to be designed to ensure delivery despite this barrier.
'The Internationalist' suffers from a language barrier, plot implausibility .
Fearless Felix breaks sound barrier.
The Many Legal Barriers Standing in the Way of Health Care Reform.
One barrier is that many of our economic-development tools - such as Tax Increment Financing - are geared toward capital projects.
2,000 metal barriers in Lower Manhattan.
WOODEN barriers enclose a large construction site on Steinway Street in Astoria, Queens, where excavation has begun.
Mini Midled Provides Narrow, High-Power Beam of Infrared Light for Proximity Sensors and Light Barriers.
With regard to interference , Allen Todd, the director in Manassas, is a Ham user himself and has not seen any interference issues that have raised any significant barriers regarding this service.
It ignores the wealth of geological and oceanic knowledge regarding our barrier island.
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In science:

Such islands are bounded by invariant tori which form impenetrable barriers in phase space.
Frobenius-Perron Resonances for Maps with a Mixed Phase Space
B (T , L) denotes the barrier energy that the system has to overcome to create the droplet of size L, and is given as B (T , L) = V (T )Lψ explicitly.
Scaling Law and Aging Phenomena in the Random Energy Model
It will also be of interest to see if the energetics and the geometrical character of the response can be coupled with arguments concerning the energy barriers in each specific configuration .
Energy landscapes in random systems, driven interfaces and wetting
The method is applied to study the tunneling through a barrier in a one dimensional problem and to the Friedrichs model, were the results are compared with the exact solutions of reference .
Perturbative method for generalized spectral decompositions
Thus, a barrier of height V0 − V1 and length b − a appears.
Perturbative method for generalized spectral decompositions
All analysis so far are based on calculations with a hard wall boundary condition (an infinite step barrier potential or an infinite step well potential) at the dead end of the stub (we refer to it as the hard walled stub and for which Eqs. 6, 7, 8 and 9 are derived).
Violation of general Friedel sum rule in mesoscopic systems
In our case of low enough temperatures, the delay time is mainly determined by the transition over the largest barrier in the system.
Instanton approach to the Langevin motion of a particle in a random potential
The method proposed can also be generalized for calculation of other correlation functions which are determined by the contribution from the largest barrier in the system.
Instanton approach to the Langevin motion of a particle in a random potential
Solid and dotted curves are for sweeping the magnetic field up and down, respectively. The hysteresis is due to a surface barrier and, until a vortex enters or leaves the disks, the measured curves are reproducible for sweeps in both directions.
Non-Quantized Penetration of Magnetic Field in the Vortex State of Superconductors
Fuchs, D.T. et al. Transport properties governed by surface barriers in BiSrCaCuO.
Non-Quantized Penetration of Magnetic Field in the Vortex State of Superconductors
The existence of these growing barriers appears to be captured by the field-theoretic Functional Renormalization Group (FRG) method [11, 12, 13] (for ǫ = 4−d ≪ 1), extended to non zero temperature [14, 15], but until now neither the rare events nor fluctuating barriers have been obtained in this approach.
Field theory of statics and dynamics of glasses: rare events and barrier distributions
But, if we relax this assumption and imagine finite barriers (associated with local nucleation of a native phase [44–46]), we may ask (informally) when activated motion over the barrier to nucleation is least hindered.
Embedding a Native State into a Random Heteropolymer Model: The Dynamic Approach
It is therefore natural to assume that relaxation centers with high barriers, whose relaxation time exceeds the Maxwell time, do not contribute to the viscoelastic properties of the medium, while those with shorter relaxation times have time to equilibrate by jumps over the barrier and do contribute.
Energy landscape - a key concept for the dynamics of glasses and liquids
Now imagine this happens for all relaxation centers with barriers lower than the Maxwell barrier of eq. (8) in the undercooled liquid.
Energy landscape - a key concept for the dynamics of glasses and liquids
This is the 1/3-rule, which allows to calculate the Maxwell barrier (and from the Maxwell barrier, the shear viscosity) for a given barrier density function f0(V ).
Energy landscape - a key concept for the dynamics of glasses and liquids
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