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Definition loop

Etymology 1

From Middle English loupe (“noose, loop”), earlier lowp-knot (“loop-knot”), of North Germanic origin, from Old Norse hlaup (“a run", literally, "a leap”), used in the sense of a "running knot", from hlaupa (“to leap”), ultimately from Proto-Germanic *hlaupan?. Compare Swedish löp-knut (“loop-knot”), Danish løb-knude (“a running knot”), Danish løb (“a course”). More at leap.

Noun

loop (plural loops)

1. A length of thread, line or rope that is doubled over to make an opening.
2. The opening so formed.
3. A shape produced by a curve that bends around and crosses itself.
4. A ring road or beltway.
5. An endless strip of tape or film allowing continuous repetition.
6. A complete circuit for an electric current.
7. (programming) A programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
8. (graph theory) An edge that begins and ends on the same vertex.
9. (topology) A path that starts and ends at the same point.
10. (transport) A bus or rail route, walking route, etc. that starts and ends at the same point.
11. (algebra) A quasigroup with an identity element.
12. A loop-shaped intrauterine device.
13. An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.
14. A small, narrow opening; a loophole.
15. Alternative form of loup (mass of iron).
16. (biochemistry) A flexible region in a protein's secondary structure.

Etymology 2

From the noun.

Verb

loop (third-person singular simple present loops, present participle looping, simple past and past participle looped)

1. (transitive) To form something into a loop.
2. (transitive) To fasten or encircle something with a loop.
3. (transitive) To fly an aircraft in a loop.
4. (transitive) To move something in a loop.
5. (transitive) To join electrical components to complete a circuit.
6. (transitive) To duplicate the route of a pipeline.
7. (transitive) To create an error in a computer program so that it runs in an endless loop and the computer freezes up.
8. (intransitive) To form a loop.
9. (intransitive) To move in a loop.

Results 452 Words with the letters LOOP

You can also try words with the phrase LOOP, words starting with the letters LOOP, or words ending in the letters LOOP.

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