loop

noun20

1. •
   a round shape made where a line, a rope or a road turns back and crosses itself

   • Arches, loops, and whorls are patterns found in fingerprints.
2. •
   A length of thread, line or rope that is doubled over to make an opening.
3. •
   The opening so formed.
4. •
   A process that returns to its beginning and then repeats itself in the same sequence.

   • An online feed that constantly “refills” manipulates the brain’s dopaminergic reward system in a similar way. These powerful dopamine-driven loops of endless “seeking” can become addictive. — 2024
5. •
   A programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
6. •
   A ring road or beltway.
7. •
   A complete circuit for an electric current.
8. •
   An edge that begins and ends on the same vertex.
9. •
   A path that starts and ends at the same point.
10. •
    A bus or rail route, walking route, etc. that starts and ends at the same point.
11. •
    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.

    • 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, [...] — 2012
12. •
    A passing loop.
13. •
    An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.
14. •
    An endless strip of tape or film allowing continuous repetition.

    • He can hang out in the back room of the local adult bookstore […] and hope for a stand-up blow-job through the glory hole in the partition of the two booths that show gay loops. — 1979
15. •
    A loop-shaped intrauterine device.
16. •
    (US, old-fashioned) A sports league

    • Arellano formerly cavorted for the Galicias in the fast-paced National-American Soccer loop. — 1963
17. •
    A small, narrow opening; a loophole.

    • And stop all sight-holes, every loop from whence / The eye of Reason may pry in upon us. — 1597
18. •
    A flexible region in a protein's secondary structure.
19. •
    The curved path of the ball bowled by a spin bowler.
20. •
    A quasigroup with an identity element.

verb12

1. •
   To form something into a loop.
2. •
   To fly an aircraft in a loop.
3. •
   To move something in a loop.
4. •
   To move in a loop.

   • The program loops until the user presses a key.
5. •
   To play something (such as a song or video) in a loop.
6. •
   To form a loop.
7. •
   To fasten or encircle something with a loop.
8. •
   To place in a loop.

   • It found that trains often looped on their journey emit 14% to 20% more NOx and particulates than non-stop services. — 2021
9. •
   To have the teacher progress through multiple school years with the same students.
10. •
    To create an error in a computer program so that it runs in an endless loop and the computer freezes up.
11. •
    To join electrical components to complete a circuit.
12. •
    To duplicate the route of a pipeline.

noun1

1. •
   Acronym of loss of offsite power.