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[loo-ping] /ˈlu pɪŋ/
noun, Movies.
the process of fitting speech to film already shot, especially by making a closed loop of the film for one scene and projecting it repeatedly until a good synchronization of film and recorded speech is achieved.
Origin of looping
1475-85 for an earlier sense; loop1 + -ing1


[loop] /lup/
a portion of a cord, ribbon, etc., folded or doubled upon itself so as to leave an opening between the parts.
anything shaped more or less like a loop, as a line drawn on paper, a part of a letter, a part of a path, or a line of motion.
a curved piece or a ring of metal, wood, or the like, used for the insertion of something, as a handle, etc.
Aeronautics. a maneuver executed by an airplane in such a manner that the airplane describes a closed curve in a vertical plane.
a circular area at the end of a trolley line, railroad line, etc., where cars turn around.
an arm of a cloverleaf where traffic may turn off or onto a main road or highway.
Physics. the part of a vibrating string, column of air or other medium, etc., between two adjacent nodes.
Electricity. a closed electric or magnetic circuit.
Computers. the reiteration of a set of instructions in a routine or program.
a wire, usually of platinum, one end of which is curved to form a loop, used for transferring microorganisms from one medium to another.
a sand bar that encloses or nearly encloses a body of water.
Figure Skating. a school figure in which a skater traces a large half circle, a small oval within its arc, and another large half circle to complete the figure while remaining on the same skating edge.
the Loop, the main business district of Chicago.
verb (used with object)
to form into a loop.
to make a loop in.
to enfold or encircle in or with something arranged in a loop.
to fasten by forming into a loop, or by means of something formed into a loop (often followed by up):
to loop up the new draperies.
to cause (a missile or projectile) to trace a looping or looplike trajectory through the air:
to loop a grenade into the building.
to fly (an airplane) in a loop or series of loops.
to construct a closed electric or magnetic circuit.
Movies. to complete by means of looping:
We still have to loop the final scenes.
verb (used without object)
to make or form a loop:
The river loops around the two counties.
to move by forming loops, as a measuringworm.
to trace a looping or looplike path through the air:
The fly ball looped high in the air.
to perform a loop or series of loops in an airplane.
Movies. to record dialogue, sound effects, etc., onto an existing film track or soundtrack.
in / out of the loop, included in or excluded from a group of people who receive the latest information about something:
She’s often out of the loop on policy decisions.
throw / knock for a loop, to astonish or upset:
Her quitting the project really threw me for a loop.
1350-1400; Middle English loupe loop of cloth, perhaps < Scots Gaelic lub loop, bend
Can be confused
loop, loupe. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for looping
Contemporary Examples
Historical Examples
  • Gradually his looping whirls had carried him toward the east.

    The Hammer of Thor Charles Willard Diffin
  • Then she held it up, and, looping it around her throat, looked in the mirror.

  • In this he makes stop, and secures the horse, by looping the bridle around a branch.

    The Death Shot Mayne Reid
  • Fantastic use has often been made of the looping of couched cord.

    Art in Needlework Lewis F. Day
  • "looping the lamp-post" is also quite an achievement in skating.

British Dictionary definitions for looping


the round or oval shape formed by a line, string, etc, that curves around to cross itself
any round or oval-shaped thing that is closed or nearly closed
a piece of material, such as string, curved round and fastened to form a ring or handle for carrying by
an intrauterine contraceptive device in the shape of a loop
  1. a closed electric or magnetic circuit through which a signal can circulate
  2. short for loop aerial
a flight manoeuvre in which an aircraft flies one complete circle in the vertical plane
(mainly Brit) Also called loop line. a railway branch line which leaves the main line and rejoins it after a short distance
(maths, physics) a closed curve on a graph: hysteresis loop
another name for antinode
  1. the most common basic pattern of the human fingerprint, formed by several sharply rising U-shaped ridges Compare arch1 (sense 4b), whorl (sense 3)
  2. a bend in a tubular structure, such as the U-shaped curve in a kidney tubule (Henle's loop or loop of Henle)
(computing) a series of instructions in a program, performed repeatedly until some specified condition is satisfied
(skating) a jump in which the skater takes off from a back outside edge, makes one, two, or three turns in the air, and lands on the same back outside edge
a group of people to whom information is circulated (esp in the phrases in or out of the loop)
(transitive) to make a loop in or of (a line, string, etc)
(transitive) to fasten or encircle with a loop or something like a loop
Also loop the loop. to cause (an aircraft) to perform a loop or (of an aircraft) to perform a loop
(intransitive) to move in loops or in a path like a loop
Word Origin
C14: loupe, origin unknown


an archaic word for loophole
Word Origin
C14: perhaps related to Middle Dutch lupen to watch, peer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for looping



late 14c., "loop of cloth, rope, leather, etc.," probably of Celtic origin (cf. Gaelic lub "bend," Irish lubiam), influenced by or blended with Old Norse hlaup "a leap, run" (see leap (v.)). In reference to magnetic recording tape or film, first recorded 1931. Computer programming sense first attested 1947.



"to form a loop," c.1400, "draw (a leash through a ring)," from loop (n.). Related: Looped; looping. Slang looped "drunk" is from 1934. Loop the loop (1900) originally was in reference to roller-coasters at amusement parks.

"Loop-the-Loop" is the name of a new entertainment which goes further in the way of tempting Providence than anything yet invented. The "Loop" is an immense circle of track in the air. A car on a mimic railway shoots down a very steep incline, and is impelled around the inner side of this loop. ... The authorities at Coney Island are said to have prohibited "looping-the-loop" because women break their corset strings in their efforts to catch their breath as they sweep down the incline, and moreover, a young man is reported to have ruptured a blood vessel in his liver. ["Philadelphia Medical Journal," Aug. 10, 1901]

Online Etymology Dictionary, © 2010 Douglas Harper
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looping in Medicine

loop (lōōp)
A curve or bend in a cord or other cylindrical body, forming an oval or circular ring.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for looping



Drunk: The end result is a looped group/ Was she drunk? Looping (1934+)


Related Terms

in the loop, knock someone for a loop, out of the loop, throw someone for a loop

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with looping
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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