Delivered to your inbox! {\displaystyle \sigma _{b}} Word Origin late 15th cent. {\displaystyle \sigma _{a}} ‘In our personal lives, timings are crucial also: our … The resolution of a stopwatch or timer represents the smallest time interval that the device can display. Support is built-in for both our optional … Accessed 11 Jan. 2021. Send us feedback. [4], σ Learn more. A stopwatch is used to measure the time interval of an event. = These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stopwatch.' What does stopwatch mean? These devices measure and display … as counting milliseconds, rather than centiseconds. The device is used when time periods must be measured precisely and with a minimum of complications. The conceit of the stopwatch is simply that people have a given amount of time that they will spend searching for a given product (or service), and therefore it is essential that (1) your product be up front … A chronograph combines the functions of a stopwatch and a standard watch. It is a kind of watch that stands out for the accuracy and precision with which it can measure the time of an event. 2 Stopwatch function in a Casio digital wristwatch. Test Your Knowledge - and learn some interesting things along the way. The first ever chronograph. σ A large digital version of a stopwatch designed for viewing at a distance, as in a sports stadium, is called a stop clock. Learn a new word every day. A Clock or Countdown with a video background. Its first use was in ski racing but was later used by the World University Games in Moscow, Russia, the U.S. NCAA, and in the Olympic trials. For example, if a stopwatch … Timer. the number of digits on the device’s display for a digital stopwatch or the smallest increment or graduation on the face of an analog stopwatch. Split interval function. a type of watch used for timing events, such as sporting events, accurately, having a device for stopping the hand or hands instantly. “Stopwatch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stopwatch. [3] To get more accurate results, most researchers use the propagation of uncertainty equation in order to reduce any error in experiments. ‘The physician uses a stopwatch or a wristwatch with a second hand to time this activity.’. When the split time button is pressed while the watch is running it allows the elapsed time to that point to be read, but the watch mechanism continues running to record total elapsed time. Pressing the split button a second time allows the watch to resume display of total time. 'All Intensive Purposes' or 'All Intents and Purposes'? The first digital timer used in organized sports was the Digitimer, developed by Cox Electronic Systems, Inc. of Salt Lake City Utah (1962). [1] It utilized a Nixie-tube readout and provided a resolution of 1/1000 second. a -. {\displaystyle \sigma _{Q}={\sqrt {\sigma _{a}^{2}+\sigma _{b}^{2}}}}. a watch with a hand or a digital readout that can be started and stopped instantly so as to indicate seconds or fractions of seconds, as for timing races. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! The second button is also used to record split times or lap times. -. Digital electronic stopwatches are available which, due to their crystal oscillator timing element, are much more accurate than mechanical timepieces. Buy Digital Stopwatch - No Bells, No Whistles, Simple Basic Operation, Silent, Clear Display, ON/Off, Child Friendly, AAA Batteries (Included), Black: Stopwatches - Amazon.com FREE DELIVERY possible on … The timer for 5 seconds. In manual timing, the clock is started and stopped by a person pressing a button. Description: 2d Animation motion graphics showing a hand holding a digital stopwatch or timer and counting up to one millisecond on white screen, green screen with alpha matte in HD high definition. Download. + stopwatch meaning: 1. a watch that can be started and stopped in order to measure the exact time of an event…. The timer used by the Stopwatch class depends on the system hardware and operating system. Synonyms Example Sentences Learn More about timer. Handheld timepiece designed to measure an amount time, For the UK civil rights organisation, see, "A comparative study of visual and auditory reaction times on the basis of gender and physical activity levels of medical first-year students", "Reliability and Accuracy of Handheld Stopwatches Compared With Electronic Timing in Measuring Sprint Performance", "Stopwatch and Timer Calibrations (2009 edition)", Open Source Physics Stop Watch Computer Model, NIST Recommended Practice Guide: Special Publication 960-12 Stopwatch and Timer Calibrations, International Earth Rotation and Reference Systems Service, https://en.wikipedia.org/w/index.php?title=Stopwatch&oldid=998034797, Articles with specifically marked weasel-worded phrases from January 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 January 2021, at 13:41. 10.03s, … Optional split intervals and alarm sound. Time stopped 200 years ago … then it was restarted, stopped again, and reset. Normally, humans will take about 180–200 milliseconds to detect and respond to visual stimulus. Pressing the top button starts the timer running, and pressing the button a second time stops it, leaving the elapsed time displayed. σ In most science experiments, researchers will normally use SI or the International System of Units on any of their experiments. ... A large digital version of a stopwatch designed for viewing at a distance, as in a sports … c : a device (such as a clock) that indicates by a sound the end of an interval of time or that starts or stops a device at predetermined times. Stopwatches that count by 1/100 of a second are commonly mistaken[by whom?] -. and 0.05 will be The stopwatch function is also present as an additional function of many electronic devices such as wristwatches, cell phones, portable music players, and computers. The timing functions are traditionally controlled by two buttons on the case. Great to Relax or Sleep! Also has a 12/24 hour alarm clock, calendar, LCD display, and an … A Clock or Countdown with a video background. More example sentences. Otherwise, IsHighResolution is false, which indicates that the Stopwatch … Download this video clip and other motion backgrounds, special effects, After Effects templates and more. So the smallest possible reading-change is 0.01s; so the stopwatch is capable of reading +/-0.005s However, you would normally take a number of readings to get the average; e.g. A stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation. : from Latin digitalis , from digitus ‘finger, toe’. Download. American Heritage Dictionary of the English Language, Fifth Edition. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Great to Relax or Sleep! Learn more. A stopwatch is a handheld timepiece designed to measure the amount of time that elapses between its activation and deactivation. Mechanical stopwatches are powered by a mainspring, which must be wound up by turning the knurled knob at the top of the stopwatch. 2 Easy to use and accurate stopwatch with lap times and alarms. IsHighResolution is true if the Stopwatch timer is based on a high-resolution performance counter. What made you want to look up stopwatch? See the full definition for stopwatch in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for stopwatch, Nglish: Translation of stopwatch for Spanish Speakers. A timepiece designed to measure the amount of … ‘The timer eliminated the need for a stopwatch and enabled participants to start at their leisure.’ ‘The teacher fished out a stopwatch from her shorts' pocket and gave the signal to go.’ ‘They've got … b The average measurement error using manual timing was evaluated to be around -0.04 s when compared to electronic timing, in this case for a running sprint. royalty free stock video and stock footage. Keep … See digital in the Oxford Advanced American Dictionary See digital … 'Nip it in the butt' or 'Nip it in the bud'. Meaning of stopwatch. Multi-Function PLT200 is a 32 function Tachometer/Ratemeter, Totalizer/Counter and Timer (stopwatch), which is programmable in both English and Metric linear rates. Online stopwatch. No, this isn't some obscure retrospective application of relativity, we're talking about the invention of the stopwatch. Resolution is related to the number of digits on the device’s display for a digital stopwatch, or the smallest increment or graduation on the face of an analog stopwatch. Definition of stopwatch in the Definitions.net dictionary. A watch worn on a strap round the wrist. [2] However, in most situations where a stopwatch is used, there are indicators that the timing event is about to happen, and the manual action of starting/stopping the timer can be much more accurate. That means the lightning strikes initiate a geological, But even with those two, that growth took the turn of a calendar, not a, Some fans picked out Busta's deep voice, while clues like the Statue of Liberty and a, Lananna, who previously coached at Oregon, wants college track to reemphasize on-campus competition pitting teams against each other, not individuals scattered around the country competing against a, Post the Definition of stopwatch to Facebook, Share the Definition of stopwatch on Twitter. Even though stopwatches are created to be more accurate, humans are still prone to make mistakes every time they use one. Download the Online Stopwatch Application for your PC or MAC. A watch that can be instantly started and stopped by pushing a button and used to measure an exact duration of time. Find more ways to say stopwatch, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Please tell us where you read or heard it (including the quote, if possible). Q stopwatch definition: 1. a watch that can be started and stopped in order to measure the exact time of an event…. A watch with a hand or a digital readout that can be started and stopped instantly so as to indicate seconds or fractions of seconds, as for timing races. Definition of stopwatch written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. thenumberofdigitsonthedevice'sdisplayforadigitalstopwatchor thesmallest increment or graduation on theface ofananalogstopwatch. : a watch with a hand or a digital display that can be started and stopped at will for exact timing (as of a race) Examples of stopwatch in a Sentence Recent Examples on the Web Set time goals and wear a watch with a stopwatch … For example: If the result from measuring the width of a window is 1.50 ± 0.05 m, 1.50 will be Forexample, if a stopwatch display showstwo digitstotheright of the -. The runs were timed to the nearest second using a digital stopwatch. Some may have a connector for external sensors, allowing the stopwatch to be triggered by external events, thus measuring elapsed time far more accurately than is possible by pressing the buttons with one's finger. Calibration of Timers and Stopwatches Time interval, which is defined as the elapsed time between two events can be measured by stopwatches and timers. It might look like it’s from the 80s, but don’t worry, there’s still a hefty helping of modern implementation, including a 1/100 second digital stopwatch, variable measuring modes, battery life of … a Counts up to 24 hours in 1/100th second resolution for the first 30 minutes with a 1 second resolution thereafter. Download the Online Stopwatch Application for your PC or MAC. b Countdown 5 seconds. Laboratory experiments and sporting events like sprints are good examples. . σ A stopwatchis a handheld timepiecedesigned to measure the amount of time elapsed from a particular time when activated to when the piece is deactivated. Can you spell these 10 commonly misspelled words? For stopwatches, the units of time that are generally used when observing a stopwatch are minutes, seconds, and 'one-hundredth of a second'.[5]. 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