Main definitions of tester in US English:

: tester1tester2

tester1

noun

  • 1A person who tests something, especially a new product.

    • ‘All products are tested blindly, so testers are not influenced by designer names and fancy packaging.’
    • ‘Some testers have raised questions about the I47's handling and ride - but there is no suggestion of serious problems.’
    • ‘You can apply to be a beta tester, evaluating products from a variety of companies.’
    • ‘It is only on the basis of the tester's appraisal that we carry out any remedial work and then only if it is strictly necessary.’
    • ‘These beta testers include high-profile customers, as well as the many people in the Linux community who respond to our open invitation to help with testing.’
    • ‘The Researcher designs the tasks and surveys for the testers to complete in order to get further user feedback.’
    • ‘The person used has had previous experience in detecting the quality of sound and as such I believe that he is an ideal tester for sound quality analysis.’
    • ‘She was more than twelve times more productive than the average tester.’
    • ‘Your state radon office or a radon tester can tell you more about radon testing devices.’
    • ‘The energy absorption characteristics of the car's dashboard received particular mention from the testers.’
    • ‘Furniture workshops and electrical testers will work to put the cast-offs back into the community and given to disadvantaged families.’
    • ‘The testers used each product and timed the process of creating a Web site, including the addition of text, graphics, links and publishing to a Web server.’
    • ‘Diners must sign a disclaimer recommending ‘protective gloves and eye wear’ - but even sweating testers in safety gear were blinded by tears for 30 minutes.’
    • ‘To gather data from an underground explosion, American testers have used long pipes that extended all the way from the surface to a tapered end close to the blast.’
    • ‘As the beta testers were already testing the game in its infancy, their valuable feedback helped shape the game to its current form.’
    • ‘Having said all of that, I would like to know how one can become a game tester, or write reviews for new games that have not gone public yet, or help in the design of new games, from this corner of the world?’
    • ‘Having an independent tester perform the test, or conducting the measurement yourself, will eliminate any potential conflict of interest.’
    • ‘There is plenty of power to make up for a lack of real head-turning looks, and but testers have raised questions about its driving dynamics.’
    • ‘In another study, conducted in Australia, testers had hikers and bicyclists pass test plots 400 times each, and measured the surface profile of the track before, during and after the passes.’
    • ‘Documentation on the setup of systems used in tests is usually limited to what the tester believes is relevant to their specific research goals.’
    questioner, interviewer, assessor, marker, inspector
    View synonyms
    1. 1.1 A person who tests another's proficiency.
      • ‘In this particular case, the individual was behaving unusually and the tester was concerned enough to question the validity of the test.’
      • ‘Under a bonus scheme, State driving testers will carry out a similar number of additional tests through a combination of overtime on Saturdays, evenings and lunchtimes.’
      • ‘Minister for Transport Seamus Brennan has announced that a number of initiatives are underway to further reduce the waiting times for driving tests, including the recruitment of additional testers.’
      • ‘Official figures released from the Department of Transport demonstrate major inconsistencies in the number of allocated driver testers.’
      • ‘A department spokesperson said last night the money was paid out to 118 driving testers for travelling between the country's 52 testing centres last year.’
      • ‘With the PADI ‘resort course’ that is available in most islands, it is quite possible to get underwater within a day; it consists of safety instruction and a tester in a pool, followed by a guided open-water dive on the reef.’
      • ‘The selected testers, in addition to conducting the tests, asked the learner drivers a series of questions relating to basic maintenance of vehicles.’
      • ‘The company has 22 tutors and 16 testers and does not use an automatic testing system, as is common practice in other workplaces.’
      • ‘Minister Cullen is committed to exploring measures to reduce test waiting times for driving tests, such as bringing in more testers.’
      • ‘The video uses a step-by-step guide of exactly what the tester will be looking for, and finishes with a sample of how the driving test should be done.’
    2. 1.2 A device that tests the functioning of something.
      ‘a cake tester’
      • ‘Crescent Design hit the jackpot when it introduced its signature hydraulic burst and leak tester to the medical device market in 1994.’
      • ‘There are also two laptops, a mobile emissions tester, a smoke reader for diesel exhausts and a device that tests to see if tinted windscreens and front windows are clear enough to let 75% of all light pass through.’
      • ‘First Stop Safety began as a portable appliance tester which, with training, small businesses could use to see whether their electrical appliances complied with Health and Safety regulations.’
      • ‘The tester offers a set-up function to allow operators to set various parameters used in testing configuration and memory storage.’
      • ‘Because of obsolescence, the eddy current testers, harmonic bond testers, and ultrasonic testers were replaced between fiscal years 2003 and 2004.’
      • ‘The Shore seleroscope, which is the commonest example of a dynamic-hardness tester, measures the hardness in terms of the height of rebound of the indenter.’
      • ‘A hypodermic syringe tester from Testing Machines Inc. provides precise measurement of the force required to move the plunger in either direction.’
      • ‘The most cost-effective tool for your wireless system is a dedicated battery tester.’
      • ‘A valuable added test feature to look for would permit unplugging a SCSI subsystem from the SCSI controller and plugging it into the tester with power still applied to the peripherals.’
      • ‘Unlike most tensile testers, this instrument has been designed for horizontal operation.’
      • ‘The ability to perform basic analogue tests on a digital tester is very attractive.’
      • ‘Pour the batter into the pan and bake for approximately 55 min or until the top of the cake is nicely brown and a cake tester comes out clean.’
      • ‘Heart valve testers are used by surgeons to check the function of mechanical heart valves after they have been sewn into the heart.’
      • ‘The BabyStart kit contains a his-and-hers package of a sperm concentration test and six ovulation testers.’
      • ‘Bake for 40-50 minutes, until the cake feels springy to the touch and a toothpick or cake tester inserted into the center comes out clean.’
      • ‘Bake for 30 minutes, then turn the pans around, and bake until a cake tester or skewer comes out almost clean, another 25 to 40 minutes.’
      • ‘A portable handheld tester comes with a personal data assistant to monitor tests and capture results.’
      • ‘Designed to test the mechanical and electrical properties of a variety of materials, a line of testers provides micromechanical evaluation and in vitro simulations.’
      • ‘Check each cell with a battery tester such as the Radio Shack 22-093.’
      • ‘It can be used as a stand-alone tester or integrated into automated processing and testing systems.’
    3. 1.3 A sample of a product provided so that customers can try it before buying it.
      • ‘Additionally, create inviting retail displays that are visual, entertaining and that offer samples and testers.’
      • ‘To find your shade, squirt a little of the tester onto the back of your hand.’
      sample, example, bit, snippet, illustration, demonstration, exemplification, instance, selection, representative piece
      View synonyms

Pronunciation

tester

/ˈtɛstər//ˈtestər/

Main definitions of tester in US English:

: tester1tester2

tester2

noun

  • A canopy over a four-poster bed.

    • ‘She tossed her bag onto a lovely old four-poster bed complete with tester.’
    • ‘For the panel hanging behind the headboard, cut fabric long enough to hang from the tester, or framework, to just below the mattress.’

Origin

Late Middle English: from medieval Latin testerium, testrum, from a Romance word meaning ‘head’, based on Latin testa ‘tile’.

Pronunciation

tester

/ˈtɛstər//ˈtestər/