backupback‧up /ˈbækʌp/ ●○○ noun 
Examples
Always have a backup plan. a backup generator2[countable] a copy of a computer document, program etc, which is made in case the original becomes lost or damaged: Make a backup of any work you do on the computer.3[uncountable] people or things that can be used to provide support and help if they are needed: Army units can only operate if they have sufficient backup. a backup team4[countable] American English someone who will play in a sports team if one of the other players is injured or ill SYN reserve: a backup goalie
ExamplesEXAMPLES FROM OTHER DICTIONARIES
Thesaurus- Several police cars provided backup for the officers.
- A good backup team might help as well!
- But he had a backup plan; you had to if you came this far.
- His father and Mr Abrey fill in as relief drivers and backup.
- His top backup, Donovan Ricketts, is also out with a pelvic injury.
- Standard brakes include power, vented front discs and rear drums with anti-lock backup.
- These allow the user to delete and rename files or make a backup copy.
THESAURUS► help
Collocations the things you do to make it easier or possible for someone to do something: · Now that I’m working, the kids need to give me more help with the housework.· The book would never have been finished without his help.
► assistance help. Assistance is more formal than help, and is used especially about people giving official help: · The police are asking the public for their assistance.· The project received financial assistance from the government.· Thank you very much for your assistance, sir.· He set up the business with the assistance of his two sons.
► aid help. Aidis more formal than help, and is used especially about money, food, medicine etc. that is given to countries or people that are in a very bad situation: · Aid is being sent to areas affected by the earthquake.· The US spends billions of dollars on aid to developing countries.· Another driver stopped and came to his aid.
► support help and encouragement: · Thanks to everyone who gave us their support.· We could not have won the case without your support.
► cooperation help – used especially when people, organizations, or countries work together to get things done, and show that they are willing to do this: · a spirit of international cooperation· The cooperation of landowners was needed for the plan to succeed.
► backup extra people, equipment etc that can be used in case people need help: · The officer waited for backup to arrive before making any arrests.
Longman Language Activatorsomething that has been copied from something else► copy something that has been copied and made to look exactly like something else: · I don't have my original birth certificate. Will you accept a copy?copy of: · Connie left copies of the document on everybody's desk.· a 19th century copy of the popular Rembrandt painting
► photocopy also copy a copy of a piece of paper or a picture that has been made using a machine: · Please send a photocopy of your passport.make a copy: · Can you make seven copies of this, please?
► duplicate an exact copy of something that can be used in the same way, especially when the original one has been lost: · I only have one house key, but I'll have a duplicate made for when you visit.
► model a small copy of a building, vehicle, or machine, made to look exactly like the original building, vehicle etc: model of: · White's team made a model of the new ballpark to show the public.model ship/airplane etc: · There was a shelf in his bedroom full of model planes.scale model (=a model with the same size and distance relationships as the real thing): · The 1957 photo shows him holding a scale model of an ocean liner he built entirely by hand.
► replica a copy of a well-known vehicle, building, or weapon, especially one that is the same size as the original: · a replica fire truck from the 1920sreplica of: · A replica of the space shuttle is parked at the center's entrance.· The building is an exact replica of the original Globe theatre.
► reproduction a copy of an old or valuable work of art or piece of furniture: · The store sells a range of reproduction furniture in Colonial style.reproduction of: · a reproduction of a beautiful Ming vase
► imitation imitation jewellery, furniture, fur etc are copies of expensive things that are made of cheaper material so that they look similar but cost much less: · an imitation sheepskin seat cover · The original woodframe house had been covered with imitation brick siding.
► facsimile an exact copy of an old or valuable document or piece of writing, that is done on the same kind of paper or material it was originally written or printed on: · A facsimile of the 1896 book was published in February.
► backup copy/backup a copy of computer information that you save on a separate disk, so that if something goes wrong with your computer, you will still have the information: · Make sure to make backup copies of all your data.· Don't store the backups near the computer, where someone could easily steal them both.
► clone an animal or plant that is an exact copy of another one, and is produced by taking a cell from another plant or animal and developing it artificially: · These plants are all clones of the same original plant.
help that is given► help · If I need any help I'll call you.· I'm having trouble paying the rent, but I don't want to ask my parents for help.help with · Would you like some help with those suitcases?with help from somebody · We managed to buy the house with a little help from Dave's parents.with the help of somebody/something · With the help of a nicotine patch she was able to quit smoking.get help (=find someone to help you) · You go get help - I'll wait here with the car.
► assistance formal something you provide in order to help someone do something: · Patients can usually walk without assistance within a week of the operation.· The federal agency provides assistance to families whose homes were destroyed by flooding.· The company has a toll-free number that offers technical assistance to anyone who needs it.be of assistance: · Our tour guides will be pleased to be of assistance if you have any problems.
► a hand informal practical help from someone when something needs to be done: · Everybody needs a hand now and then.a hand with: · I could use a hand with the yard work if you're not busy.lend/give somebody a hand: · Could you give me a hand moving those boxes?
► aid help, especially money, that an organization or country gives to another country or to people who are in a very difficult situation: · Aid is not getting through to the refugees.· Each year, the U.S. sends more than $1.8 billion in aid to sub-Saharan Africa.
► support equipment, money, or help from other people that is available for you to use when you need it: · I'd like to thank you all for your support in the upcoming election.· Our two company lawyers provide all the legal support we need.
► service help given to customers of a particular business, by the people who work there: · I thought the service in the pizza place was very good.provide a service: · We knew the shop would never survive if we didn't provide a good service from the minute we opened the doors.
► back-up/backup people, equipment etc that are provided to be used if people need help: · This department needs more secretarial and clerical back-up.· Police had to wait for backup to arrive before making any arrests.
► encouragement something such as praise or advice from other people that helps give someone the confidence and determination to do something: · Children need lots of encouragement when they're learning new things.words of encouragement: · After his speech, he shook hands and offered words of encouragement to people in the crowd. by way of encouragement (=in order to encourage someone): · "But you're doing a great job," he added by way of encouragement.
WORD SETS► Computersaccess, verbaccess point, nounaccess time, nounaccounting system, accumulator, nounadd-on, nounADSL, nounaffective computing, nounAI, nounALGOL, nounalias, nounANSI, anti-spam, adjectiveanti-virus, adjectiveanti-virus software, nounAPL, nounapp, nounApple, Apple Macintosh, applet, nounapplication, nounapplication software, nounarcade game, nounarchitecture, nounarchive, nounarchive, verbarray, nounartificial intelligence, nounASCII, nounASIC, nounASP, nounassembly language, nounasynchronous, adjectiveAT&T, attachment, nounaudit trail, nounautomate, verbautomated, adjectiveautomation, nounavatar, nounB2B exchange, nounB2C, adjectiveB2E, adjectiveBabbage, Charles, backslash, nounbackspace, nounbackup, nounback-up copy, bandwidth, nounbar code, nounBASIC, nounbatch, nounbatch processing, nounbaud rate, nounBerners-Lee, Tim, bespoke, adjectivebeta test, nounBig Blue, bioinformatics, nounbiometric, adjectivebit, nounbitmap, nounBlackBerry, nounbloatware, nounblog, nounBluetooth, nounBMP, nounbond certificate, book entry, bookmark, nounbookmark, verbbook of final entry, nounbook of first entry, nounBoolean, adjectiveboot, verbbootable, adjectivebootstrapping, nounbot, nounbotnet, nounbps, brain dump, nounbroadband, nounbrown goods, nounbrowse, verbbrowser, nounbubble jet printer, nounbuddy list, nounbuffer, nounbuffer, verbbug, nounbulletin board, nounbundle, nounbundle, verbburn, verbbus, nounbusiness continuity services, nounbusiness continuity services, button, nounbyte, nounCabinet Office Briefing Rooms, cable modem, nouncache, nouncache, verbCAD, nounCAD/CAM, nounCAL, nounCalifornia, nounCALL, nounCAM, nounCambridge, Capita, caps lock, nouncapture, verbcapture, nouncard, nouncathode ray tube, nounCAT scan, nounCBT, nounCD-R, nounCD-ROM, nounCD-ROM drive, CDRW, nounCD-RW, nouncentral processing unit, nouncentral processor, nounCGI, nounCHAPS, character, nounchat room, nouncheat, nouncheckbox, nounchip, nounchip card, CIM, CIO, clerical assistant, click, verbclickable, adjectiveclient, nounclient machine, client-server, adjectiveclient/server architecture, clip art, nounclipboard, nouncloaking, nounclock cycle, nounclock speed, nounclone, nouncluster, nounCOBOL, nouncode, nouncoder, nouncom, Comdex, nouncommand, nouncomm port, comms, nouncompact disc, nounCompaq, compatibility, nouncompatible, adjectivecompatible, nouncompile, verbcompiler, nouncompress, verbcomputer, nouncomputer (industry) analyst, computer-aided, adjectivecomputer-aided design, nouncomputer-aided manufacture, computer-aided manufacturing, nouncomputer-assisted, adjectivecomputerate, adjectivecomputer-based training, computer-generated, adjectivecomputer-integrated manufacture, computerize, verbcomputer-literate, adjectivecomputer modelling, nouncomputer science, nouncomputer system, computer virus, nouncomputing, nounconcordance, nounconfiguration, nounconfigure, verbconnect, verbconnectivity, nounconsole, nouncontrol, nouncontrol key, nouncookie, nouncoordinate, nounCorel, corrupt, verbcounter, nouncourseware, nounCPU, nouncrack, verbcrack, nouncracker, nouncrash, verbcrash, nounCroft, Lara, cross-platform, adjectivecross-posting, nounCtrl, nouncursor, nouncut, verbcutover, nouncyber-, prefixcybercrime, nouncybernetics, nouncyberpunk, nouncybersickness, nouncyberspace, nouncyberterrorist, nouncyberwidow, noundata, noundata bank, noundatabase, noundatabase management, database management system, data capture, noundata centre, data dictionary, noundata encryption standard, noundata file, data interchange format file, data mining, noundata processing, noundata protection, Data Protection Act, the, Dateline, daytrader, nounday trading, nounDBMS, debug, verbdecision support system, decode, verbdecompress, verbdecrypt, verbdefault, noundefragment, verbDel, noundelete, verbdeletion, noundeliverable, noundematerialize, verbdemo, verbdemonstration version, denial of service attack, noundeselect, verbdesktop, noundesktop computer, noundesktop publishing, noundestination site, dialogue box, noundial-up, adjectivedigerati, noundigicam, noundigital nervous system, digital rights management, digital wallet, nounDilbert, direct access, noundirectory, noundisaster recovery, noundisc, noundisinfect, verbdisk, noundisk drive, noundiskette, noundisk operating system, display, noundisplay, verbdistributed processing, Dixons, dock, noundock, verbdocking station, noundocument, noundocument sharing, noundongle, nounDOS, noundot-matrix printer, noundouble click, verbdouble-click, verbdouble density, adjectivedown, adverbdownload, verbdownload, noundownloadable, adjectivedowntime, noundown time, downwardly compatible, adjectiveDP, noundrag, verbdrive, noun-driven, suffixdriver, noundropdown, noundrop down, noundrop-down menu, nounDTP, noundumb terminal, dump, verbdump, nounDVD, nounDVD-ROM, nounEasdaq, noune-book, noune-business, nounECN, noune-commerce, nouneditor, nounedutainment, noune-fatigue, nounE-FIT, nounEFTPOS, nounelectronic, adjectiveelectronic bill of lading, electronic cottage, nounelectronic data interchange, nounelectronic funds transfer, nounelectronic invoice, electronic mail, nounelectronic media, electronic publishing, nounelectronics, nounelectrosmog, nounEllison, Larry, email, nounemail account, embed, verbencrypt, verbend-to-end, adjectiveenter, verbenterprise application integration, nounentry, nounEPROM, noune-publishing, nounequipment leasing, erase, verbErnie, error, nounerror message, nounescape key, Ethernet, noune-ticket, nounE-ticket, nounexecutable, nounexecute, verbexecution, nounexit, verbexpansion card, nounexpansion slot, nounexpert system, nounexport, verbextension, nounextranet, nouneye scan, nounF2F, adjectivefabricator, nounfactory preset, nounfatware, nounfeed, verbfeed, nounfield, nounfifth generation computer, file, nounfile manager, nounfilename, nounfile sharing, nounfile transfer, filing system, filter, nounfirewall, nounfirmware, nounfirst generation, nounfirst in, first out, nounfirst-person shooter, nounfive nines, nounfixed wireless, nounflash, verbflash, nounflash drive, nounflash memory, nounflatscreen, adjectiveflat screen, flip chip, nounfloor broker, floppy disk, nounfly-by-wire, nounfolder, nounfont, nounfooter, nounfootprint, nounforklift upgrade, nounformat, verbFortran, nounforum, noun404, adjectivefreeware, nounftp, nounfunction, nounfunctionality, nounfunction key, nounfungible, adjectivefuzzy logic, nounGame Boy, gameplay, noungamer, noungaming, noungarbage in, garbage out, Gates, Bill, gateway, nounghost, nounGIF, noungigabit, noungigabyte, nounGIGO, GIS, nounGlitter, Gary, global, adjectiveGLOBEX, nounGMS, nounGoogle, gopher, noungraphical, adjectivegraphical user interface, noungraphics, noungraphics card, noungraphic software, grid computing, noungroupware, nounGUI, nounhack, verbhack, nounhacker, nounhacktivist, nounhandshake, nounhard copy, nounhard disk, nounhard drive, nounhardware, nounhard-wired, adjectiveHawk, Tony, Hawking, Stephen, head, nounheader, nounhelp, nounhelp desk, nounhelp menu, help screen, nounHewlett Packard, hexadecimal, adjectivehigh-definition, adjectivehigh-level, adjectivehigh-level language, highlight, verbhome computer, home office, nounhome shopping, hookup, nounhook-up, nounhost computer, hot key, nounhot link, nounhot spot, nounHTML, nounhttp, hyperlink, nounhypertext, nounIBM, icon, nounICT, nounidentifier, nouniMac, nounimport, verbinbox, nounincremental backup, nounincubator space, industrial design, infect, verbinfected, adjectiveinformation exchange, information retrieval, nouninformation system, information technology, nouninfowar, nouninitialize, verbinkjet printer, nouninput, nouninput, verbinput/output, adjectiveinstall, verbinstaller, nounInstinet, Intel, intelligent terminal, interactive, adjectiveinteractive whiteboard, nouninterface, nouninterface, verbInternational Securities Exchange, nounInternet cafe, nounInternet Service Provider, interpreter, nounintranet, nouninvoke, verbIP address, nouniPod, nouniris scan, nounISDN, nounISP, nounIT, nouniterate, verbiTunes, iTV, nounJava, nounjob, nounjob bank, Jobs, Steve, joystick, nounJPEG, nounK, KB, keno, nounkey, nounkeyboard, nounkeyboard, verbkeyboarder, nounkeypad, nounkeystroke, nounkeyword, nounkilobyte, nounkit, nounkludge, nounknowledge base, Kraftwerk, LAN, nounlanguage, nounlaptop, nounlaser disk, nounlaser printer, nounlaunch, verbLCD, nounlight industry, nounlight pen, nounline printer, nounlink, verbLinux, nounLISP, nounlisting paper, listserv, nounload, verblocal area network, nounlog file, LOGO, nounloop, nounlow-level, adjectiveMac, nounmachine, nounmachine code, nounmachine language, machine-readable, adjectiveMacintosh, nounmacro, nounmagnetic disk, nounmagnetic media, nounmagnetic tape, nounmail, nounmail, verbmailbomb, nounmailbox, nounmailing list, nounmail merge, nounmainframe, nounmainframe computer, main memory, manual, adjectivemaximize, verbmegabyte, nounmemory, nounmemory address, memory bank, nounmemory card, nounmemory hog, nounMemory Stick, nounmenu, nounmessage, nounmetadata, nounmicro, nounmicrochip, nounmicrocomputer, nounmicroelectronics, nounmicroprocessor, nounMicrosoft, MIDI, nounmigrate, verbmigration, nounMillennium bug, minicomputer, nounminimize, verbmips, mission-critical, adjectiveMIT, mixer, nounmodel, nounmodel, verbmodelling, nounmodem, nounmodule, nounmonitor, nounMoore, Gordon, Moore's Law, nounmorphing, nounmotherboard, nounMotorola, mouse, nounmouse mat, nounmouse miles, nounmouse potato, nounMP3 player, nounMP4 player, nounMPEG, nounMSC, nounMS-DOS, multimedia, adjectivemulti-player gaming, nounmultiple applications, multiplexer, nounmultitasking, nounnagware, nounNasdaq, nounNASDAQ, Naseem, Prince, National Market System, nounNEC, nerd, nounnest, verbNetscape Navigator, network, nounnetwork, verbneural computer, nounneural network, nounneuroinformatics, nounnewbie, nounnew economy, nounNintendo, node, nounnoise, nounnotebook, nounnumber-cruncher, nounnumber crunching, nounobject, nounobject language, object-oriented, adjectiveOCR, nounOfex, nounoffice machinery, offline, adverboff-line, adjectiveonline, adjectiveonline catalogue, online updating, nounon-screen, adjectiveopen, verbOpen Group, the, open outcry, nounopen system, nounoperating system, nounoperation, nounoptical character recognition, nounoptical fibre, nounoption, nounorder, nounorganizing business, OSI, nounoutbox, nounoutput, nounoutput, verbover-the-counter dealing, over-the-counter market, over-the-counter share, over-the-counter stock, over-the-counter trading, overwrite, verbP2P, adjectivepackage, nounpacket, nounpacket-switching, nounpage, nounpage break, nounpalette, nounpalm phone, nounpalmtop, nounpaperless, adjectiveparallel data query, parallel port, parallel processing, nounPASCAL, nounpass-along, adjectivepassword, nounpaste, verbpasting, nounpatch, nounpause, verbPC, nounPC Card, nounPDA, nounPDF, nounPDF file, pen drive, nounPentium, peripheral, adjectiveperipheral, nounpersonal communicator, nounpersonal computer, nounpersonal electronic device, nounpersonal organizer, nounpetaflop, nounphishing, nounping, verbpiracy, nounpirate, verbpixel, nounplasma screen, nounplatform, nounplatform game, nounPlayStation, plotter, nounplug and play, nounplug-and-play, adjectiveplug-in, nounpointer, nounpop-under, nounpop-up, nounport, nounport, verbportable, adjectivepost, verbpost-industrial, adjectivePostScript, nounPowerPoint, nounprint, verbprinter, nounprintout, nounprint-out, nounprint preview, nounprocess, verbprocessing, nounprocessor, nounprogram, nounprogram, verbprogram file, programmable, adjectiveprogrammer, nounprogramme trading, programming, nounprogramming language, PROLOG, nounPROM, nounprompt, verbprompt, nounprotocol, nounPsion, pull down, nounpull-down, adjectivepull-down menu, nounpunched card, nounquantum computer, nounQuarkXPress, queue, nounqwerty, adjectiveRAM, nounrandom access memory, nounread, verbread only memory, read-only memory, nounread-out, nounread-write, adjectivereal-time, adjectivereboot, verbrecall, verbre-chip, verbrecord, nounrecord, verbrefresh, verbreload, verbremaster, verbremote access, nounremote control, nounremote working, nounreseller, nounreset, verbrespawn, verbretinal scanner, nounretrieval, nounretrieve, verbretry, verbreturn, nounright-click, verbrip, verbroad warrior, nounrobot, nounrollover, nounROM, nounRoute 128, nounrouter, nounroutine, nounRSI, nounRTF, nounrun, verbsalami slicing, nounSamsung, save, verbscalability, nounscalable, adjectivescan, verbscanner, nounscramble, verbscreen, nounscreen-based, adjectivescreen dump, nounscreensaver, nounscreen saver, nounscreenshot, nounscroll, verbscroll bar, nounscroll key, SCSI, nounSEAQ, search, nounsearch, verbsearchable, adjectivesearch engine, nounSEATS, nounsecurity rating, SEGA, self-healing, adjectivesend, verbserial port, server, nounserver farm, nounservice bureau, nounservice pack, nounSET, nounset-up, nounSFA, nounSGML, nounshareware, nounshift, nounshift key, nounshoot-'em-up, nounshopping bot, sig file, nounsilicon, nounsilicon chip, nounSilicon Fen, nounSilicon Glen, Silicon Valley, sim, nounSIMM, nounsimulation, nounSinclair, Sir Clive, single sourcing, skin, nounslo-mo, adjectivesmall office/home office, nounsmart, adjectivesmart bomb, nounsneakernet, nounsoft copy, nounsoftware, nounsoftware engineering, SoHo, SOHO, nounSonic the Hedgehog, sort, nounsoundcard, nounsource code, nounspace bar, nounspam, nounspeech recognition, nounspeech recognition software, speech synthesizer, nounspellcheck, nounspellchecker, nounspell-checker, nounspider, nounspider food, nounspim, nounsplit screen, nounspreadsheet, nounspreadsheet software, spyware, nounstandalone, adjectivestand-alone, adjectivestandby time, nounStarr Report, the, nounstarter pack, nounstart-up, nounstorage, nounstorage unit, store, verbstore-and-forward, nounstrategic information system, stream, verbstreaming, nounStreet Fighter, string, nounstylus, nounsubdirectory, nounsubroutine, nounsuite, nounSun Microsystems, sunrise industry, nounsupercomputer, nounsuperserver, nounsupport, verbsupport, nounswitching, nounsynchronous, adjectivesyntax, nounsynthespian, nounsystem, nounsystem administrator, nounsystems analyst, nounsystems programmer, system tray, nountab, verbtab key, nountab stop, nountag, nountag, verbtape, nountape drive, taskbar, nountechie, nountechnical support, nountechno-, prefixtechnocracy, nountechno-geek, nountechnophobe, nountechy, telecentre, nountelecommuter, nountelematics, nounteleprinter, nounteleworker, nountemplate, nounterabyte, nounteraflop, nounterminal, nountestdeck, nountext-to-speech, adjectivethird-generation, adjectivethird-party software, thumbnail, nountickbox, nountick box, nountime out, nountime-sharing, nountitle bar, nountoggle, nountoner, nountoolbar, nountoolbox, nounTOPIC, nountop-level domain, nountop ranking, nounTorvalds, Linus, Toshiba, Tottenham Court Road, touchpad, nountouch screen, nountrackball, nountransaction processing, transputer, nounTrojan horse, nountroubleshooter, nounTTS, Turing, Alan, tutorial, nounundo, verbuninstall, verbunique visitor, nounUnix, noununlisted share, unlisted stock, unrecoverable error, unzip, verbup, adverbupdate, nounupgrade, verbupload, verbupload, nounuptime, nounusability, nounUSB, nounUSB drive, nounuser-friendly, adjectiveuser group, nounuser interface, nounuser name, nounUS Robotics, utility, nounVActor, nounvalid, adjectivevalue-added reseller, vapourware, nounVDT, nounVDU, nounVGA, nounvideocard, nounvideo game, nounvideo snacking, nounviral marketing, nounvirtual, adjectivevirtual corporation, virtually, adverbvirtual memory, nounvirtual office, nounvirtual organization, virtual reality, nounvirus, nounvoice print, nounvoice recognition, wallpaper, nounWAN, nounWAP, noun-ware, suffixwar game, nounWAV, nounwearable, nounWeb 2.0, nounweb browser, nounweb crawler, nounweb design, nounweb development, web-enabled, adjectiveweb hosting, nounweb log, nounweb log file, wide area network, wi-fi, nounWi-Fi, nounwild card, nounwindow, nounWindows, Wintel, wipe, verbWiponet, nounwireless internet, wireless networking, nounWord, Wordperfect, word processor, nounworkspace, nounworkstation, nounWorld Wide Web, the, worm, nounWozniak, Steve, write, verbwrite-protected, adjectiveWYSIWYG, nounXbox, XML, nounY2K, nounYahoo!, zap, verbzip file, nounzombie, noun
COLLOCATIONS FROM OTHER ENTRIES► a backup file
1[countable] something that you can use to replace something that does not work or is lost: (=a copy of a file, which is made in case the original becomes lost or damaged)· You can burn your backup file to CD or DVD.
COLLOCATIONS FROM THE CORPUSNOUN► copy· These allow the user to delete and rename files or make a backup copy.· Make backup copies of your data, and lock them away.· Take a backup copy of the file to be converted.· Unlike some other word-processing programs, WordPerfect does not automatically make backup copies of edited documents.· In the event of a failure during conversion, the backup copy may be restored.· Alternatively, your program may automatically create a backup copy that you can call up.
► quarterback· Until this season, Gilbert, a backup quarterback, had been on five straight Super Bowl teams.· The Carolina Panthers were playing with a backup quarterback.· The Seahawks anticipated that when they signed Warren Moon as a backup quarterback in the offseason.
► system· Problem with tape backup system will necessitate switching two Model 30s between Finance and Computer Room.· First, no technology is foolproof, especially electronic technology; we still need very old-fashioned backup systems.· This analysis itself is composed of a primary and backup system, and uses sign stimuli and very simple processing.· The 737 rudder is unusually complicated, with numerous valves and backup systems.· By 1989, sewer workers stopped using it and relied on a less effective backup system to provide secondary treatment.
VERB► make· These allow the user to delete and rename files or make a backup copy.· Back up your data. Make backup copies of your data, and lock them away.· Before starting make a backup of any important files - just to be on the safe side.· Unlike some other word-processing programs, WordPerfect does not automatically make backup copies of edited documents.
► provide· From his present position, Larsen would be better placed to keep a lookout for trouble and provide backup.
Always have a backup plan. a backup generator2[countable] a copy of a computer document, program etc, which is made in case the original becomes lost or damaged: Make a backup of any work you do on the computer.3[uncountable] people or things that can be used to provide support and help if they are needed: Army units can only operate if they have sufficient backup. a backup team4[countable] American English someone who will play in a sports team if one of the other players is injured or ill SYN reserve: a backup goalie