loop

Word family

loop1 /luːp/ noun [countableC]

1 shape or line 形状或线条CIRCLE a shape like a curve or a circle made by a line curving back towards itself, or a piece of wire, string etc that has this shape 圈，环

loop of wire/rope/string etc

A loop of wire held the gate shut.

一圈铁丝把大门扣上了。

belt loop (=a loop of material for holding a belt on trousers etc) 皮带襻

→5 see picture at 见图 knot1

2. computer 计算机TD a set of operations in a computer program that are continuously repeated 〔计算机程序中的〕循环，回路

3. film/music 胶片/音乐AMTTCR a film or music loop contains images or sounds that are continuously repeated 循环胶片；循环磁带〔可循环播放〕

4. be in the loop/be out of the loop informalPGO to be or not be part of a group of people who make important decisions 在〔决策〕圈内/圈外

5. knock/throw somebody for a loop American EnglishAmE informalSURPRISED to surprise and upset someone 使某人又惊又怒

Examples from the Corpus

knock/throw somebody for a loop• His response really threw me for a loop.• Joanna totally threw me for a loop.• His next question totally knocked me for a loop. He said, "So what makes you think you're good enough to get into law school?"

6. road/railway 公路/铁路 British EnglishBrETTT a road or railway line that leaves the main road or track and then joins it again further on 〔公路或铁路的〕环线

Examples from the Corpus

loop• The gate was attached to the post by a loop of rusty wire.• The road goes round in a loop and rejoins the main road about 2 kilometres past the town.• belt loops• This seems to be what is happening in the examples above, where the adult is acting as a simple feedback loop.• He performed a laborious loop, the signal for Kimberley and Killion to join him.• The new decoder uses an amplitude locked loop in combination with a phase locked loop to achieve this breakthrough.• It was a kind of loop and roll that dodged the pursuing aircraft and brought you up behind it.• The descending limb of the loop of Henle is water-permeable but relatively solute-impermeable.• Picture the belt down across his chest with the sun glinting on the bullets that filled most of the loops.• D1771 comes off the loop with a local trip freight in 1965.• Pull the end of the string through the loop and tighten.

loop of wire/rope/string etc• The diagram represents two people each with a loop of rope tied round their wrists and linked together.• The second is never to leave on the floor a closed loop of wire or string.• Drop the loop of string over the pins, draw it taut to form a triangle with a pencil point.

Related topics: Daily life, Technology

loop2 verb

1 [intransitiveI, transitiveT]DT to make a loop or make something into a loop （使）成圈[环]；把…绕成圈

loop something over/around etc something

He looped the rope over the post.

他把绳子在柱子上绕了一圈。

2 [intransitiveI]TURN to move in a circular direction that forms the shape of a loop 成环形运动

The ball looped over the goalkeeper into the back of the net.

那个球绕过守门员射入网底。

3. loop the loop TTAto fly a plane up and around in a circle so that the plane is upside down for a time 〔使飞机〕翻筋斗飞行

Examples from the Corpus

loop the loop• In 1913 he added to his reputation by looping the loop over San Diego Bay.• Miranda's heart had looped the loop as she happily accepted an invitation to lunch at Rules, his favourite restaurant.• You can try the Grand National, a twin-track racing coaster and the really brave can loop the loop on the Revolution.

n4 (also loop in) [transitiveT] informal to give someone the latest news or information about a situation

loop on

Keep me looped in on any further developments.

Examples from the Corpus

loop• A man in the next car was looping a tie around his neck.• White-bead chains that held dosimeters, radiation-sensing devices resembling large telephone pagers, were looped around their necks.• The seven kites dipped and looped as one.• Then he starts to loop his hair into an elastic band first thing every morning.• A knotted skein of nylon straps was looped round his chest.• Cecilia could see that the man with the bear held it by a chain looped round its neck.• It was tricky work, which Trondur directed, to loop the belts around the raft and then pull them tight.• The space probe looped toward Jupiter.

the LoopLoop, then

nthe central business area of Chicago. The name comes from an elevated railway that forms a large circle or loop around the area.

From Longman Business Dictionary

looploop /luːp/ noun [countableC]

1in the loop informal if a person is in the loop, he or she is one of the group of people who receive information about important subjects or who are involved in making important decisions

2COMPUTING a set of commands in a computer program that are intended to be repeated again and again

Origin loop1

(1300-1400) Perhaps from Scottish Gaelic lub “loop, bend”

loop1 nounloop2 verbLoop, then

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