loop
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English
Etymology
From Middle English loupe (“noose, loop”), earlier lowp-knot (“loop-knot”), of North Germanic origin, from Old Norse hlaup (“a run”), used in the sense of a "running knot", from hlaupa (“to leap”), ultimately from Proto-Germanic *hlaupaną (“to leap, run”). Compare Swedish löp-knut (“loop-knot”), Danish løb-knude (“a running knot”), Danish løb (“a course”). More at leap. The verb is derived from the noun.
Pronunciation
Noun
loop (plural loops)
- A length of thread, line or rope that is doubled over to make an opening.
- The opening so formed.
- A shape produced by a curve that bends around and crosses itself.
- Arches, loops, and whorls are patterns found in fingerprints.
- A ring road or beltway.
- An endless strip of tape or film allowing continuous repetition.
- A complete circuit for an electric current.
- (programming) A programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
- (graph theory) An edge that begins and ends on the same vertex.
- (topology) A path that starts and ends at the same point.
- (transport) A bus or rail route, walking route, etc. that starts and ends at the same point.
- (rail transport) A place at a terminus where trains or trams can turn round and go back the other way without having to reverse; a balloon loop, turning loop, or reversing loop.
- 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 119:
- In 1908 the line was extended to a station called Wood Lane, which was built on a terminal track loop so that trains could turn round and go back the other way, [...]
- (algebra) A quasigroup with an identity element.
- A loop-shaped intrauterine device.
- An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.
- A small, narrow opening; a loophole.
- c. 1597 (date written), William Shakespeare, “The First Part of Henry the Fourth, ”, in Mr. William Shakespeares Comedies, Histories, & Tragedies (First Folio), London: Isaac Iaggard, and Ed Blount, published 1623, →OCLC, :
- And stop all sight-holes, every loop from whence / The eye of Reason may pry in upon us.
- Alternative form of loup (“mass of iron”)
- (biochemistry) A flexible region in a protein's secondary structure.
- (Canada, US, dated, sports) A sports league
- 1963 September 27, “Italias Vie In Bayonne On Sunday”, in The Jersey Journal, page 17:
- Arellano formerly cavorted for the Galicias in the fast-paced National-American Soccer loop.
Hypernyms
Hyponyms
Hyponyms of loop (noun)
Derived terms
- A-B loop
- adjustable loop
- angler's loop
- artillery loop
- autoregulatory loop
- belt loop
- busy loop
- closed loop
- closed time loop
- close the loop
- compulsion loop
- core loop
- crossed loop sensor
- death loop
- do loop
- doom loop
- do-while loop
- edge loop
- fisherman's loop
- foreach loop
- fruit loop
- ground loop
- harness loop
- hearing loop
- Henle loop
- Henle's loop
- hysteresis loop
- induction loop
- keep someone in the loop
- Latham loop
- launch loop
- Lebanese loop
- Lippes loop
- local loop
- locker loop
- Lofstrom loop
- loop-de-loop
- loop de loop
- loop disconnect dialing
- loop diuretic
- loophole
- loop hole
- loop invariant
- loop jump
- loop line, loopline
- loop of Henle
- loop pedal
- loop quantum gravity
- loop ratio
- loop-the-loop
- loop-top
- loop transfer function
- loop-window
- Möbius loop
- Moufang loop
- open-loop
- Orowan loop
- outside loop
- phase-locked loop
- service loop
- small loop
- stem-loop
- strange loop
- throw for a loop
- time loop
- toe loop
- ulnar loop
- Wilson loop
Related terms
Terms related to loop (noun)
Translations
length of thread, line or rope
|
shape produced by a curve that bends around and crosses itself
|
ring road — see ring road
endless strip of tape or film allowing continuous repetition
complete circuit for an electric current
|
programmed sequence of instructions
|
edge that begins and ends on the same vertex of a graph
transportation route that starts and ends at the same point
loop-shaped intrauterine device
aircraft maneuver
|
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
Verb
loop (third-person singular simple present loops, present participle looping, simple past and past participle looped)
- (transitive) To form something into a loop.
- (transitive) To fasten or encircle something with a loop.
- (transitive) To fly an aircraft in a loop.
- (transitive) To move something in a loop.
- (transitive) To join electrical components to complete a circuit.
- (transitive) To duplicate the route of a pipeline.
- (transitive) To create an error in a computer program so that it runs in an endless loop and the computer freezes up.
- (intransitive) To form a loop.
- (intransitive) To move in a loop.
- The program loops until the user presses a key.
- 2011 February 4, Gareth Roberts, “Wales 19-26 England”, in BBC:
- The outstanding Tom Palmer won a line-out and then charged into the heart of the Welsh defence, scrum-half Ben Youngs moved the ball swiftly right and Cueto's looping pass saw Ashton benefit from a huge overlap to again run in untouched.
- To place in a loop.
- 2021 January 13, Richard Clinnick, “Longer freight trains boost efficiency and reduce carbon”, in Rail, page 10:
- It found that trains often looped on their journey emit 14% to 20% more NOx and particulates than non-stop services.
- (education, transitive, intransitive) To have the teacher progress through multiple school years with the same students.
- 2003, Lisa Lynn Snyder, An Investigation of Elementary Looping Practices and Outcomes in a Rural School District, page 54:
- Tolland Middle School in Connecticut where close to four hundred middle school students participated in looping, students from looped classroom structures scored much higher than students from prior years without the looped structure on standardized tests in mathematics and writing.
Derived terms
Terms derived from loop (verb)
Translations
transitive: to form into a loop
|
to fasten or encircle with a rope
to fly an aircraft in a loop
transitive: to move in a loop
|
to complete a circuit
to duplicate the route of a pipeline
to create an endless loop in a computer program
intransitive: to form a loop
|
intransitive: to move in a loop
See also
References
Anagrams
Afrikaans
Pronunciation
Etymology 1
From Dutch lopen, from Middle Dutch lôpen, from Old Dutch lōpan, from Proto-West Germanic *hlaupan, from Proto-Germanic *hlaupaną (“to run”).
Verb
loop (present loop, present participle lopende, past participle geloop)
- (intransitive) to walk
Alternative forms
- loep (Western Cape)
Etymology 2
From Dutch loop, from Middle Dutch lôop, from Old Dutch *lōp.
Noun
loop (plural lope, diminutive lopie)
- walking, gait
- (of events) course
- (of guns) barrel
- (informal) business end (of a rifle, etc.)
- (music, usually in diminutive) run: a rapid passage in music, especially along a scale
Chinese
Etymology
Pronunciation
Verb
loop
- (Hong Kong Cantonese) to repeatedly consume or play songs or videos
- (Hong Kong Cantonese, by extension) to occur repeatedly
Noun
loop
- (Hong Kong Cantonese) loop; cycle (Classifier: 個／个 c)
Dutch
Pronunciation
Etymology 1
From Middle Dutch lôop, from Old Dutch *lōp.
Noun
loop m (plural lopen, diminutive loopje n)
Derived terms
Related terms
Descendants
Etymology 2
See the etymology of the corresponding lemma form.
Verb
loop
- inflection of lopen:
Anagrams
Portuguese
Etymology
Unadapted borrowing from English loop.
Pronunciation
Noun
loop m (plural loops)