backup

backup

one who supports or reinforces another: I’m his backup; (computers) a copy or duplicate version of a file, program, or computer system: I made a backup of the file.
Not to be confused with:back up – to support someone’s opinion or order: I back up his no-smoking rule.; to move backward: Back up and give him some air!

back·up

B0016700 (băk′ŭp′)n.1. a. A reserve or substitute.b. Computers A copy of a program or file that is stored separately from the original.2. a. Support or backing.b. Music A background accompaniment, as for a performer.3. An overflow or accumulation caused by clogging or by a stoppage: a backup in the sink; a backup of traffic at the drawbridge.adj. Extra; standby: a backup pilot.

back•up

(ˈbækˌʌp)

n. 1. one that supports or reinforces, as a group of musicians supporting a soloist. 2. an accumulation due to stoppage. 3. an alternate or substitute kept in reserve. 4. a. a copy of a computer file or program kept in case the original is damaged or lost. b. a procedure to follow in such an event. [1775–85, Amer.]

backup

A copy made of important data and kept in case something goes wrong with the original.

Thesaurus

Noun	1.	backup - an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet"accretion, accumulation - an increase by natural growth or addition
	2.	backup - someone who takes the place of another (as when things get dangerous or difficult); "the star had a stand-in for dangerous scenes"; "we need extra employees for summer fill-ins"backup man, fill-in, reliever, stand-in, substitute, reliefcompeer, equal, peer, match - a person who is of equal standing with another in a grouplocum, locum tenens - someone (physician or clergyman) who substitutes temporarily for another member of the same professionstunt man, stunt woman, double - a stand-in for movie stars to perform dangerous stunts; "his first job in Hollywood was as a double for Clark Gable"alternate, surrogate, replacement - someone who takes the place of another person
	3.	backup - a musical part (vocal or instrumental) that supports or provides background for other musical partsmusical accompaniment, accompaniment, supportpart, voice - the melody carried by a particular voice or instrument in polyphonic music; "he tried to sing the tenor part"descant, discant - a decorative musical accompaniment (often improvised) added above a basic melodyvamp - an improvised musical accompaniment
	4.	backup - (computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased"computer backupduplication, duplicate - a copy that corresponds to an original exactly; "he made a duplicate for the files"computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
	5.	backup - the act of providing approval and support; "his vigorous backing of the conservatives got him in trouble with progressives"backing, patronage, championshipapproval, approving, blessing - the formal act of approving; "he gave the project his blessing"; "his decision merited the approval of any sensible person"

backup

noun1. support, backing, help, aid, reserves, relief, assistance, reinforcement, auxiliaries There's no emergency backup immediately available.2. substitute, reserve, relief, stand-in, replacement, stand-by, understudy, second string, locum He was added to the squad as a backup.

backup

adjectiveUsed or held in reserve:auxiliary, emergency, reserve, secondary, standby, supplemental, supplementary.

Translations

后备者后援备份文件备份的备用的

back

(bӕk) noun1. in man, the part of the body from the neck to the bottom of the spine. She lay on her back. （人）背部 （人）背部 2. in animals, the upper part of the body. She put the saddle on the horse's back. （動物）背部 （动物）背部，后面 3. that part of anything opposite to or furthest from the front. the back of the house; She sat at the back of the hall. 背面 背面4. in football, hockey etc a player who plays behind the forwards. （足球等的）後衛 （足球等的）后卫 adjective of or at the back. the back door. 後面的 后面的 adverb1. to, or at, the place or person from which a person or thing came. I went back to the shop; He gave the car back to its owner. 回原處 回原处2. away (from something); not near (something). Move back! Let the ambulance get to the injured man; Keep back from me or I'll hit you! 退開 后退3. towards the back (of something). Sit back in your chair. 往後 向后4. in return; in response to. When the teacher is scolding you, don't answer back. 回覆 答复5. to, or in, the past. Think back to your childhood. 回溯 回溯 verb1. to (cause to) move backwards. He backed (his car) out of the garage. 倒退 倒退2. to help or support. Will you back me against the others? 支持 支持3. to bet or gamble on. I backed your horse to win. 打賭或下賭注 下赌注在...上ˈbacker noun a person who supports someone or something, especially with money. the backer of the new theatre. 贊助人，支持者 赞助人，支持者 ˈbackbite verb to criticize a person when he is not present. 背後批評 背后说人坏话ˈbackbiting nounConstant backbiting by her colleagues led to her resignation. 背後中傷 诽谤ˈbackbone noun1. the spine. the backbone of a fish. 背脊 脊骨2. the chief support. The older employees are the backbone of the industry. 主要支柱 主要支柱ˈbackbreaking adjective (of a task etc) very difficult or requiring very hard work. Digging the garden is a backbreaking job. 繁重的，累人的 非常辛劳的，艰苦繁重的 ˌbackˈdate verb1. to put an earlier date on (a cheque etc). He should have paid his bill last month and so he has backdated the cheque. 在(支票)上填上先前的日期 在（支票）上书写更早的日期 2. to make payable from a date in the past. Our rise in pay was backdated to April. 從過去某個時點開始支付 自过去某时起支付ˌbackˈfire verb1. (of a motor-car etc) to make a loud bang because of unburnt gases in the exhaust system. The car backfired. (汽車引擎)回火 （汽车）回火 2. (of a plan etc) to have unexpected results, often opposite to the intended results. His scheme backfired (on him), and he lost money. 得到適得其反的結果 产生事与愿违的结果ˈbackground noun1. the space behind the principal or most important figures or objects of a picture etc. He always paints ships against a background of stormy skies; trees in the background of the picture. 背景 背景2. happenings that go before, and help to explain, an event etc. the background to a situation. 背景情況 背景情况3. a person's origins, education etc. She was ashamed of her humble background. 經歷，學歷 经历，学历 ˈbackhand noun1. in tennis etc, a stroke or shot with the back of one's hand turned towards the ball. a clever backhand; His backhand is very strong. (網球等的)反手擊球 （网球等的）反手击球 2. writing with the letters sloping backwards. I can always recognize her backhand. 左斜體筆跡 左斜体书法 adverb using backhand. She played the stroke backhand; She writes backhand. 反手地 反手地ˈbacklog noun a pile of uncompleted work etc which has collected. a backlog of orders because of the strike. 積壓的工作 积压的工作ˌback-ˈnumber noun an out-of-date copy or issue of a magazine etc. He collects back-numbers of comic magazines. 過期的期刊 过期的报刊ˈbackpack noun (especially American) a bag that walkers, people who go on trips, or students carry on their backs. 背包 背包ˈbackpacking: go backpacking to go on trips or go camping carrying a backpack. 揹著背包旅行或露營 背包旅行或露营ˈbackpacker noun 揹著背包旅行或露營的人，背包客 背包旅行或露营者ˈbackside noun the bottom or buttocks. He sits on his backside all day long and does no work. 臀部 屁股，臀部 ˈbackslash noun the sign (\\). 反斜線 反斜线符号ˈbackstroke noun in swimming, a stroke made when lying on one's back in the water. The child is good at backstroke. 仰泳 仰泳ˈbackup noun1. additional people who provide help when it is needed. The police officer requested some backup when the shooting began. 後備人員 后援，后备者 2. a copy of a computer file that can be used in case the original is destroyed. (電腦檔案)備份 备份文件3. (also adjective) a piece of equipment, a system etc that can be used when there is a problem with the original one. a backup plan; We have a backup generator in case the power fails. 備用(設備或系統等) 备份的，备用的 ˈbackwash noun1. a backward current eg that following a ship's passage through the water. the backwash of the steamer. 船行經水面後形成的回流 由船等运动引起的逆流2. the unintentional results of an action, situation etc. The backwash of that firm's financial troubles affected several other firms. 無心造成的結果 反响ˈbackwater noun1. a stretch of river not in the main stream. 河川某段水流受阻所形成的回水 回流2. a place not affected by what is happening in the world outside. That village is rather a backwater. 與世隔絕的地方 闭塞的地方，與世隔絕的地方 ˌbackˈyard noun (especially American) a garden at the back of a house etc. He grows vegetables in his backyard. 後院 后院back down to give up one's opinion, claim etc. She backed down in the face of strong opposition. 放棄(己見、要求等)，讓步 放弃（观点），退让 back of (American) behind. He parked back of the store. 在...的後方 在...的后部back on to (of a building etc) to have its back next to (something). My house backs on to the racecourse. 背對著 背对著back out1. to move out backwards. He opened the garage door and backed (his car) out. 倒退移出 倒出2. to withdraw from a promise etc. You promised to help – you mustn't back out now! 收回(承諾)，食言 收回（承诺） back up1. to support or encourage. The new evidence backed up my arguments. 支持 支持2. to make a copy of the information stored on the computer or disk. 備份 备份have one's back to the wall to be in a very difficult or desperate situation. He certainly has his back to the wall as he has lost his job and cannot find another one. 進退維谷 处于绝境put someone's back up to anger someone. He put my back up with his boasting. 激怒（某人） 激怒（某人） take a back seat to take an unimportant position. At these discussions he always takes a back seat and listens to others talking. 退居第二線 处于次要地位，谦让

backup

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