define. alarm
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alarm plural alarms. Learner's definition of ALARM. 1. [count] a : a device that makes a loud sound as a warning or signal. The alarm went off when he opened the door. a car alarm. The whole town heard the alarm.
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explosion Explosion definition, an act or instance of exploding; a violent expansion or bursting with noise, as of gunpowder or a boiler (opposed to implosion). See more.
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Fire alarm notification appliance Fire alarm notification appliance. A Mircom horn/strobe fire alarm notification appliance. A fire alarm notification appliance is an active fire protection component of a fire alarm system. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action.
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Security alarm Security alarm. A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or area. Security alarms are used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as well as personal protection against intruders.
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alarm clock alarm clock. 1. a clock with a bell or buzzer that can be set to sound at a particular time, as to awaken someone. It was then that Shulevitz says she noticed an alarm clock on a counter. In essence, Dream:ON is an alarm clock app with smart features. I thought it was a little bit weird to have an alarm clock in the mikvah.
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detection (dɪˈtɛkʃən) n. 1. the act of discovering or the fact of being discovered: detection of crime. 2. (Electronics) the act or process of extracting information, esp at audio or video frequencies, from an electromagnetic wave. See also demodulation.
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Siren siren. n. 1. (General Engineering) a device for emitting a loud wailing sound, esp as a warning or signal, typically consisting of a rotating perforated metal drum through which air or steam is passed under pressure.
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Nuisance Alarms: What to Know Roughly two-thirds of home fire deaths happen in homes with no smoke alarms or no working smoke alarms. A nuisance alarm is an alarm that is triggered by non-hazardous sources such as everyday cooking smoke and steamy showers. The alarm activation is inconvenient and annoying.
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Multiple-alarm fire Multiple-alarm fire. One-alarm, two-alarm, three-alarm fires, are categories of fires indicating the level of response by local authorities, with an elevated number of alarms indicating an increased number of phone alarms went off during the fire.
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Fire alarm system Fire alarm system. A fire alarm notification appliance that is used in the United States and Canada, the Wheelock MT-24-LSM with a horn and strobe light. A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present.
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What Is a Two-Alarm Fire? Quick Answer. A two alarm fire is an industry term that refers to the amount of units dispatched to the scene of a fire. There is no universal determinate in what constitutes a two-alarm fire. Rather, local jurisdictions set their own qualifications for what constitutes multiple-alarm fires. Continue Reading.
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Super Bowl LII The Definition of Anxiety. It is the end of the quarter of your basketball game with 0 seconds left on the clock, your team is down by only one point, and you got fouled. It is up to you to make either the first free throw to tie it, and the second to win.
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- Because transportation is so important to commerce, because—literally and figuratively—so much is riding on it, it has been the focus of an enormous amount of inventive activity. Corporations have invested billions of dollars in improved technology. Individuals have sought their fortunes in breakthroughs big and small.
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- Definition of 'air-raid siren'. air-raid siren (ˈɛəˌreɪd ˈsaɪrən) noun. a device that sounds an alarm to warn people when an air raid is expected. At 8.17pm, the air-raid siren sounded.
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Security alarm Sensors can detect intruders by a variety of methods, such as monitoring doors and windows for opening, or by monitoring unoccupied interiors for motions, sound, vibration, or other disturbances. Alerting devices: These indicate an alarm condition. Most commonly, these are bells, sirens, and/or flashing lights.
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Alarm clock To stop the sound or light, a button or handle on the clock is pressed; most clocks automatically stop the alarm if left unattended long enough. A classic analog alarm clock has an extra hand or inset dial that is used to specify the time at which to activate the alarm.
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Car Alarms and Security Systems Microwave Detectors: A type of proximity sensor that triggers when an object enters the sensors zone of protection. These sensors are very popular with open vehicles such as convertibles and Jeeps. Paging: Some alarms have a feature that can send a signal to a supplied pager when the car alarm is triggered.
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Carbon monoxide detector Carbon monoxide alarm. A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas in order to prevent carbon monoxide poisoning. In the late 1990s Underwriters Laboratories (UL) changed their definition of a single station CO detector with a sound device in it to a carbon monoxide (CO) alarm.
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- 3. Re: attendance count daily at disneyland. Oct 30, 2009, 12:48 AM. -:- Message from TripAdvisor staff -:-. This topic has been closed to new posts due to inactivity. We hope you'll join the conversation by posting to an open topic or starting a new one.
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Startle reflex in: Startle reflex. The startle reaction, also called the startle response, startle reflex or alarm reaction, is the response of mind and body to a sudden unexpected stimulus, such as a flash of light, a loud noise (acoustic startle reflex), or a quick movement near the face.
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What is Anxiety? Anxiety Definition While technically accurate, this anxiety definition fails to explain that anxiety is a normal, and possibly life-saving, reaction to danger. Imagine that you're walking down the street, alone at night. A couple of the street light bulbs need replacing, causing darkness to overtake the normally well-lit area.
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False alarm A false alarm, also called a nuisance alarm, is the deceptive or erroneous report of an emergency, causing unnecessary panic and/or bringing resources to a place where they are not needed. False alarms may occur with residential burglary alarms, smoke detectors, industrial alarms, and in signal detection theory. False alarms have the potential to divert emergency responders away from legitimate emergencies, which could ultimately lead to loss of life. In some cases, repeated false alarms in a ce
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- arrest definition: The definition of arrest is to take a person into custody for legal purposes. (noun) The placing of a robber into handcuffs is an example of an arrest....
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- Alarm Systems. Our mission is to provide specialized alarm services coupled with superior family, personnel and physical security protection. TOSS Alarm Monitoring for residential and industrial intrusion include 24/7/365 monitoring and remote arming and disarming for added security and communications. Click to Learn More...
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apprehension The seizure and arrest of a person who is suspected of having committed a crime. A reasonable belief of the possibility of imminent injury or death at the hands of another that justifies a person acting in Self-Defense against the potential attack.
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feared Synonym Study. Fear, alarm, dread all imply a painful emotion experienced when one is confronted by threatening danger or evil. Alarm implies an agitation of the feelings caused by awakening to imminent danger; it names a feeling of fright or panic: He started up in alarm.