loop

Definitions

  • WordNet 3.6
    • v loop fasten or join with a loop "He looped the watch through his belt"
    • v loop wind around something in coils or loops
    • v loop make a loop in "loop a rope"
    • v loop fly loops, perform a loop "the stunt pilot looped his plane"
    • v loop move in loops "The bicycle looped around the tree"
    • n loop a flight maneuver; aircraft flies a complete circle in the vertical plane
    • n loop a complete electrical circuit around which current flows or a signal circulates
    • n loop fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
    • n loop an intrauterine device in the shape of a loop
    • n loop the topology of a network whose components are serially connected in such a way that the last component is connected to the first component
    • n loop a computer program that performs a series of instructions repeatedly until some specified condition is satisfied
    • n loop the basic pattern of the human fingerprint
    • n loop an inner circle of advisors (especially under President Reagan) "he's no longer in the loop"
    • n loop (computer science) a single execution of a set of instructions that are to be repeated "the solution took hundreds of iterations"
    • n loop anything with a round or oval shape (formed by a curve that is closed and does not intersect itself)
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Webster's Revised Unabridged Dictionary
  • Interesting fact: The 1st unattended, 24-hour self-service laundromat in the United States was opened by Nelson Puett in 1949 on North Loop in Austin, Texas.
    • Loop A curve of any kind in the form of a loop.
    • Loop A fold or doubling of a thread, cord, rope, etc., through which another thread, cord, etc., can be passed, or which a hook can be hooked into; an eye, as of metal; a staple; a noose; a bight. "That the probation bear no hinge, nor loop To hang a doubt on."
    • n Loop (Iron Works) A mass of iron in a pasty condition gathered into a ball for the tilt hammer or rolls.
    • Loop A small, narrow opening; a loophole. "And stop all sight-holes, every loop from whence
      The eye of Reason may pry in upon us."
    • Loop (Telegraphy) A wire forming part of a main circuit and returning to the point from which it starts.
    • Loop (Acoustics) The portion of a vibrating string, air column, etc., between two nodes; -- called also ventral segment.
    • v. t Loop To make a loop of or in; to fasten with a loop or loops; -- often with up; as, to loop a string; to loop up a curtain.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The loop on a belt that holds the loose end is called a "keeper".
    • n loop A folding or doubling of a string, lace, cord, chain, etc., or a short piece doubled and secured to something at each end. By a loop is most commonly understood a part or piece of some material bent and secured in such a way as to form an eye or opening through which something can be passed; but it may be merely an unfastened returning curve in the material, the shape giving the name.
    • n loop Something resembling a loop, as the bend of a river; a link; a crook.
    • n loop Specifically.
    • n loop In crochet, knitting, and similar kinds of fancy work, same as stitch.
    • n loop A hinge of a door.
    • n loop In railroad and telegraph systems, a branch line leaving the main line at any point and joining it again at some other point; a looping line, as a branch wire carried over to a side station and back.
    • n loop In the theory of Riemann's surfaces, a line running from any point to a branchpoint, then around that branch-point in an infinitesimal circle, and back to the original point by the same path.
    • n loop A part of a curve limited by a crunode.
    • n loop The ear of a vessel, as a stoneware jar, when approximately of the form of a half-ring projecting from the side or lip.
    • n loop In gunnery, a small fron ring in the barrel of a gun.
    • n loop The small ring at the tip of a fishing-rod through which the line passes.
    • n loop In anatomy, a looped vessel or fiber; especially, a nerve-loop.
    • n loop In brachiopods, the folding of the brachial appendages.
    • n loop In acoustics, the part of a vibrating musical string (see sonometer), or, as in an organ-pipe, of a column of air, where the amplitude of vibration is at its maximum. See node.
    • n loop In mech., a slotted bar or ring at the side of any piece of machinery, designed to limit or control the movement of another part.
    • n loop A knot or bur, often of great size, occurring on walnut, maple, oak, and some other trees. The wood of these knots is curled and waved in grain, and is used to make veneers for ornamental furniture.
    • n loop A small magnifying-glass.
    • loop To form into a loop or loops: as, to loop a cord.
    • loop To fasten or secure with a loop or loops: as, to loop up a curtain.
    • loop To furnish with a loop or loops: as, to loop a cloak.
    • loop To form a loop.
    • loop To move, as the larvæ of certain moths, by forming loops.
    • n loop A narrow window; any small, narrow aperture; specifically, in medieval fortification, a small aperture for observing the enemy, for the discharge of arrows or ordnance, or to admit light; a loophole.
    • n loop A gap in the paling of a park, made for the convenience of the deer.
    • n loop A removable fence-panel made of parallel wooden bars, generally united by transverse braces or crosspieces, used as a substitute for an ordinary fence-gate. Instead of being hinged, it is generally supported by notched brackets, or other supports adapted to receive the ends of the bars.
    • n loop See loupe.
    • n loop In physical, that region, in a standing wave system, for which the amplitude of vibration is a maximum: opposed to node, which is the region of zero amplitude.
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Chambers's Twentieth Century Dictionary
    • n Loop lōōp a doubling of a cord, chain, &c., through which another may pass: an ornamental doubling in fringes
    • v.t Loop to fasten or ornament with loops
    • n Loop lōōp a small hole in a wall, &c., through which small-arms may be fired: a means of escape
    • ***

Idioms

In the loop - If you're in the loop, you are fully informed about what is happening in a certain area or activity.
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Etymology

Webster's Revised Unabridged Dictionary
Cf. Ir. & Gael. lub, loop, noose, fold, thong, bend, lub, to bend, incline
Chambers's Twentieth Century Dictionary
O. Fr. loup.

Usage

In literature:

He looped one of his absurdly small fingers into one of my buttonholes.
"The Escape of Mr. Trimm" by Irvin S. Cobb
In order that the velvet may be smooth, these loops must be perfectly even and very near together.
"The Story of Silk" by Sara Ware Bassett
He saw the dragon-fly loop and climb and the American swing about to attack.
"Tam O' The Scoots" by Edgar Wallace
He had caught his tail in his teeth and was rolling along loopity-loop, loopity-loop.
"Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)" by Various
I stole a glance out of the loop, but saw nothing save the pale sunshine on the weeds.
"The Reckoning" by Robert W. Chambers
Little or no distinction is made between barred or looped letters.
"The Detection of Forgery" by Douglas Blackburn
As I leaped from the stool my mistress discharged her musket, and we both caught up others and returned to the loop-holes below.
"The Privateer's-Man" by Frederick Marryat
I want some gold sleeve-loops for Tod.
"Vagabondia" by Frances Hodgson Burnett
The sinuous loop went out, fell over the steer's head.
"The Range Boss" by Charles Alden Seltzer
The distance was less than ten feet, and the loop spread, quick and true, over the head of the Japanese.
"The Girl and The Bill" by Bannister Merwin
Chester quickly fixed the lights, sprang from the taffrail to shore, untied the loop of rope, flung it on deck and leaped after it.
"The Launch Boys' Adventures in Northern Waters" by Edward S. Ellis
What we actually do is to have three stations, each one equipped with a loop.
"The Radio Boys Trailing a Voice" by Allen Chapman
Could it be on the loop?
"The Young Railroaders" by Francis Lovell Coombs
Another short length with a loop at the end was made fast at the other end of the thwart.
"The Woman from Outside" by Hulbert Footner
On another day the train bore us around the famous "Loop" to Silver Plume.
"Birds of the Rockies" by Leander Sylvester Keyser
The slanting overhanging roof furnished excellent cover in lieu of loop-holes for musketry.
"The Sailor's Word-Book" by William Henry Smyth
Hugh returned the lamp to its loop.
"A Son of Hagar" by Sir Hall Caine
Now I can enlarge that loop by pulling some of the free end of the rope through, can't I?
"The Young Alaskans in the Rockies" by Emerson Hough
Rheims with loops at the ends were thrown over the heads of the antelopes and other small game, by which they could be hauled out.
"The Giraffe Hunters" by Mayne Reid
But live boys can't loop about without breeches.
"The Dop Doctor" by Clotilde Inez Mary Graves
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In poetry:

It makes me breathless
It's like falling and recovering
In huge gesturing loops
Through an empty sky.
"I Have Started To Say" by Philip Larkin
Flype ’em, slit ’em, twist ’em,
Lop-looped laps of paper;
Setting out the system
By the bones of Neper.
"Cats Cradle Song," by James Clerk Maxwell
Loop up her tresses
Escaped from the comb,
Her fair auburn tresses;
Whilst wonderment guesses
Where was her home?
"The Bridge of Sighs" by Thomas Hood
I tiptoed gently up and stooped
Above her looped and shining tresses,
And asked her of her kin and name,
And why she came from fairy places.
"The Lanawn Shee" by Francis Ledwidge
"Suppose," I said, "invaders came;
Here, in the north. How, in the name
Of thunder, could we quickly move our troops?
How could we rush our army forth
Into the unprotected North
With all your crazy twists and turns and loops!"
"The Insect" by C J Dennis
And one is clasped in her slender hand, and one on her bosom lies,
And two rare blushing buds loop up her light brown hair,
Ah, roses of June, you never looked on a face so white and fair,
Such perfectly moulded lips, such sweet and heavenly eyes.
"Roses Of June" by Marietta Holley

In news:

On a recent gorgeous Saturday morning, Linda and I walked a wonderful loop trail alongside the Damariscotta River, on lands conserved by the Damariscotta River Association.
I'm out of the loop for two weeks and Rio — one of the city's best hip-hop and R&B producers — starts making wistful folk records.
Apple's headquarters at One Infinite Loop in Cupertino, California, is "Macca" for Mac geeks, especially during Macworld, when busloads come down from San Francisco.
Seeing the loops and curls and lines unique to each person's handwriting is like remembering Grandma's rose-water smell or hearing Daddy's tenor twang.
Grape harvesters from Pellenc SA use closed-loop electrohydraulic control for propulsion, harvesting , and cleaning.
Remarks by Federal Reserve Chairman Ben Bernanke, indicating that his is determined to tighten policy from its historic lows, threw markets for a loop Friday.
Also, if your motorhome has fiberglass or plastic instead of metal, double stick hook-and-loop fastener will do the trick.
Methanol use for a closed-loop geothermal heat pump .
Association aims to ensure groundwater safe from drilling of loop wells.
They actually were fabricated from `hoops and loops' by the previous owner.
OF RAPIDLY-GROWING WEST LOOP AREA.
Council gives first nod to proposed high-voltage transmission loop.
LP&L says proposed loop designed to provide security to city power grid.
It happened at the Walmart on Alameda near Loop 375 on October 5.
John Ingle Dr Brian Hasse, left, of La Casa Dental in Wichita Falls, works on New Zealander Krysia Donovan Wednesday at his office on Loop 11.
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In science:

Similarly, it was argued by Sethi and Stern (1999) that when N > 3 even two-loop terms cannot be shown to be nonrenormalized using the same arguments as for one-loop terms and two-loop terms for small values of N .
M(atrix) Theory: Matrix Quantum Mechanics as a Fundamental Theory
If we consider the graph as embedded on an orientable surface, the set L of the loops could be chosen to be the set of the plaquettes (“local” loops), plus the set of the generators of the first homology group, that is, loops which turn around its handles.
General duality for abelian-group-valued statistical-mechanics models
A with reference point p, resp. the restricted holonomy group w.r.t A with reference point p; they are respectively subgroups of G consisting of all elements which can be written in the form H(A)|1 0 (γ , p), for γ a (piecewise smooth) loop in M , resp. a (piecewise smooth) loop in M homotopic to the constant loop.
Holonomy and parallel transport in the differential geometry of the space of loops and the groupoid of generalized gauge transformations
Every connected finite strongly simple Bol loop is Moufang. particular, if the right multiplication group Grr (S ) of a Bol loop S is a finite simple group of Lie type, then S is a finite simple Moufang loop.
Simple Bol loops
This implies that the Bol loop S is a loop with inversion, and thus a Moufang loop.
Simple Bol loops
The method of calculating the minor loop may be extended to obtain a series of smaller minor loops nested within the minor loop obtained above.
Hysteresis in Ferromagnetic Random Field Ising Model with an Arbitrary Initial State
We give all necessary two-loop constant terms which allow to obtain the three-loop anomalous dimensions and the corresponding initial conditions of the two-loop Wilson coefficients in the latter scheme.
Effective Hamiltonian for Non-Leptonic |Delta F| = 1 Decays at NNLO in QCD
Then we can easily conclude that there is no loop l = vi lvi ∈ loop(G : a) containing vj (or equivalently, there is no loop l = vj lvj ∈ loop(G : a) containing vi ).
Diagonal Compressed Random Variables in a Graph W*-probability Spaces
Thus we have that loops l and l ′ are diagramdistinct, for all (l, l ′) ∈ loop (G : PV1 (a)) × loop (G : PV2 (a)) .
Diagonal Compressed Random Variables in a Graph W*-probability Spaces
In other words, if the move from vi−1 to vi replaces a loop lj i−1 with a new loop, this new loop i .
Heegaard splittings and the pants complex
This factor is necessary to avoid counting final states that contain loops of damaged nodes consistent with the rules but unreachable because damage cannot spread to the loop from any nodes outside the loop.
Exhaustive percolation on random networks
As examples, we discuss the circular loop scatterers, the square loop scatterers, and the triangular loop scatterers in details along with their transfer matrices.
Electron localization in linear chains of identical loop scatterers
The number of nodes required to represent a loop of magnetic flux is dependent on the total amount of curvature in the loop, plus the number of in flection points in the loop.
Fluxon Modeling of Low-Beta Plasmas
The advantage of the definition using (Q1), (Q2), (Q3) is that it only deals with loop-free graphs, whereas the definition of Proposition 20, even if used to compute Bx=y (G) for G without loops uses the graphs with loops (Ga )b and Gb .
A multivariate interlace polynomial
Indeed no notion of loop-erased Brownian motion was needed! It should be noted that although the notion of loop-erased Brownian motion is not well-defined, there is a sense in which SLE2 can be thought of as Brownian motion without loops.
The scaling limit of Fomin's identity for two paths in the plane
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