fire alarmˈfire aˌlarm ●●○ noun [countable] 
We were in the middle of an exam when the fire alarm went off. Someone set off the fire alarm.
EXAMPLES FROM OTHER DICTIONARIES
- He was already in bed when he heard the hotel fire alarm go off.
- He came up with the electric clock, a form of fire alarm, a railway signal and a loudspeaker.
- In the middle of the night, the fire alarm sounds, and we awaken.
- It sounds like a fire alarm and enters my ears like a keening mosquito that I can not reach.
- Sounding of fire alarm. 2.
- The fire alarm went off that evening - Tuesday, November 24.
- The entire house lights up when a burglar or fire alarm is triggered.
WORD SETS
airbed, nounair conditioning, nounair freshener, nounappliance, nounbachelor flat, nounback-to-back, nounbackyard, nounballcock, nounbar, nounbarn, nounbarrow, nounbaseboard, nounbasket, nounbay window, nounbeater, nounbedclothes, nounbedding, nounbed linen, nounbedspread, nounbidet, nounblade, nounbleach, nounboard, verbboarding, nounbobbin, nounbog, nounbog roll, nounbolt, nounbolt, verbboom box, nounboudoir, nounbow window, nounbric-a-brac, nounbutler, nouncarpet, nouncarpet, verbcarpeting, nouncasket, nouncement, nouncentral heating, nouncentrepiece, nounchamber, nounchamber pot, nounchange purse, nounchimney breast, nounchimney-piece, nounChristmas stocking, nounChristmas tree, nouncloth, nouncoal, nouncoal scuttle, nouncolour scheme, nouncomforter, nounconvection oven, nounconvector, nouncooker, nouncooler, nouncounterpane, nouncreosote, nouncubbyhole, nouncurtain, nouncurtain hook, nouncushion, noundaily, noundefrost, verbden, noundesk tidy, noundes res, noundetergent, noundimmer, noundomestic, adjectivedomestic, noundomesticated, adjectivedomesticity, noundomestic science, noundomestic service, noundoor, noundormer, noundraughty, adjectivedrive, noundriveway, noundrop cloth, nounduplex, noundust, nounduvet, noundwelling, noundwelling house, nounearthen, adjectiveeggshell, nounempties, nounfire alarm, nounfirelighter, nounflock, nounflooring, nounfluff, nounflush, verbflypaper, nounflyswatter, nounfold, verbfootman, noungarage sale, noungarbage, noungasman, noungas meter, noungate, noungatehouse, noungatepost, noungateway, noungauze, noungingham, nounglass, nounglaze, verbglazing, noungrating, noungroan, verbguardrail, noungutter, nounguttering, nounhall, nounhallway, nounhandkerchief, nounhandyman, nounhang, verbhanging, nounhardware, nounheat, nounheatproof, adjectiveheat-resistant, adjectiveheirloom, nounhelper, nounhot-water bottle, nounhouseboy, nounhousekeeper, nounhousemaid, nounhousewares, nounhumidifier, nounhurricane lamp, nounimmersion, nounimmersion heater, nouninlaid, adjectiveinlay, nouninsulation, nouninterior decorator, nounionizer, nounironwork, nounjumble, nounjumble sale, nounkeepsake, nounkeyhole, nounknocker, nounlag, verblagging, nounlanding, nounlaundry basket, nounlinen, nounloo, nounmaid, nounmaidservant, nounmailbox, nounmajordomo, nounmanor, nounmantelpiece, nounmasking tape, nounmirror, nounmosquito net, nounmote, nounmothball, nounmoulding, nounmouth, nounmove, nounmoving van, nounmullion, nounnewspaper, nounniche, nounnonflammable, adjectivenook, nounobjet d'art, nounodd-job man, nounoilcloth, nounoil-fired, adjectiveornament, nounouthouse, nounoverflow, nounpad, nounpail, nounpaint, nounpaint, verbpaintbrush, nounpainting, nounpalatial, adjectivepaling, nounpalisade, nounpanel, nounpanelled, adjectivepantile, nounpaper, nounpaper, verbpartition, nounparty wall, nounpasskey, nounpaste, nounpatina, nounpebbledash, nounpegboard, nounpencil, nounpencil sharpener, nounpendulum, nounpension, nounpercale, nounpicture rail, nounpiggy-bank, nounpillowcase, nounpin, nounpincushion, nounplace card, nounplace mat, nounplastic wrap, nounplug, nounplughole, nounplumbing, nounplunger, nounpoker, nounpomander, nounpotpourri, nounpress, nounprivy, nounproperty, nounpunkah, nounQ-tip, nounqueen-size, adjectivequilted, adjectiverail, nounrailing, nounrake, verbrambling, adjectiveramp, nounredecorate, verbrelay, verbremote, nounremote control, nounretainer, nounribbon development, nounroller blind, nounrug, nounrumpus room, nounsafety match, nounsanitation worker, nounsconce, nounScotch tape, nounscrapbook, nounscrap paper, nounscreen, nounscreen door, nounscrew, nounscrew top, nounscullery, nounscuttle, nounSellotape, nounsheet, nounshelving, nounshower, nounshutter, nounshuttered, adjectivesink, nounskirting board, nounsliding door, nounsoft furnishings, nounspiral staircase, nounspittoon, nounsponge bag, nounsteam iron, nounstitch, verbstitching, nounstopcock, nounstorage heater, nounstove, nounstripper, nounsump, nounswag, nounswing door, nountablecloth, nountable linen, nountable mat, nountableware, nountaper, nountapestry, nountarpaulin, nountelevision, nountelly, nounterrycloth, nounthinner, nounthrowaway, adjectivethumbtack, nountinsel, nountoilet, nountowel, nountowel rail, nountransistor radio, nountrash can, nountrash compactor, nountread, nountrunk, nountub, nountumble dryer, noununfurnished, adjectivevalance, nounvarnish, nounvase, nounVenetian blind, nounwalk-in, adjectivewall, noun-ware, suffixwastepaper basket, nounwater closet, nounway out, nounWC, nounweathercock, nounweather vane, nounwhite spirit, nounwick, nounwind chimes, nounwindow, nounwindow box, nounwindowpane, nounwindowsill, nounwipe, nounwoodpile, nounwoodshed, nounwrapper, nounwrapping, nounwrapping paper, nounyard, nounyard sale, noun
COLLOCATIONS FROM THE ENTRY We were in the middle of an exam when the fire alarm went off. Someone set off the fire alarm.
a piece of equipment that makes a loud noise to warn people of a fire in a building: We were in the middle of an exam when the fire alarm went off. Someone set off the fire alarm. We were in the middle of an exam when the fire alarm went off. Someone set off the fire alarm.