Definition of experiment in English:



  • 1A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

    ‘laboratory experiments on guinea pigs’
    [mass noun] ‘I have tested this by experiment’
    • ‘The role of starch reserves in tolerance to anaerobiosis has also been demonstrated in experiments on rhizomes of some wetland species.’
    • ‘His observations and experiments certainly demonstrate scientific method.’
    • ‘We test white mice and worms in labs and we do experiments on sheep and monkeys.’
    • ‘In a series of experiments on dogs he removed their kidneys and transplanted one back.’
    • ‘Now, let's review the results of an experiment designed to test this hypothesis.’
    • ‘The investigators first discovered trehalose during experiments on a faulty protein involved in HD.’
    • ‘Such pauses and jumps have been observed in recent experiments on DNA unzipping.’
    • ‘We are currently conducting the necessary experiments to test this hypothesis.’
    • ‘Scientists with experiments on the remaining three Maxus modules were equally positive.’
    • ‘People should place more reliance on animal studies than lab-based experiments on cells, he says.’
    • ‘Having formulated their hypothesis, they conduct rigorous experiments to test it.’
    • ‘We relate our results to our own data from empirical studies and experiments on the species.’
    • ‘Interestingly enough, such individuals were also hostile to scientific experiments on animals as well.’
    • ‘However, other experiments on sugar maple did not confirm these observations.’
    • ‘On August 26 he returned to his laboratory in New Jersey, and the following day began his experiments on his electric light bulb.’
    • ‘Carry out tests or experiments on these deductions in order not to prove them but to refute them.’
    • ‘Scientists run experiments on physical evidence and draw conclusions based on their results.’
    • ‘Government scientists later used the mine for experiments on seismic detection of underground explosions.’
    • ‘It is one of seven scientific experiments on board the craft.’
    • ‘This was discovered after an experiment by the famous scientist, Sir Isaac Newton.’
    test, investigation, trial, enquiry, demonstration
    research, experimentation, observation, trial and error, analysis, testing
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    1. 1.1A course of action tentatively adopted without being sure of the eventual outcome.
      ‘the previous experiment in liberal democracy had ended in disaster’
      • ‘As an experiment in open source democracy it failed miserably.’
      • ‘This is one of them, a great experiment in the musical dimensions of the organ.’
      • ‘It is certainly a socialist experiment in that it destroys individuality.’
      • ‘There is a growing support for its experiment in peace by peace-loving citizens from all over the world.’
      • ‘He knew that our experiment in self-government could fail if he had a serious lapse of judgment.’
      • ‘This page is an experiment in interactivity which, as a journalist, I've found extremely exciting.’
      • ‘Brown has explained the song as an experiment in ‘the power of the percussive upbeat’.’
      • ‘What's in it for dictators who want no part of a democratic experiment in their region?’
      • ‘Starting the blog was an experiment in trying a few different ways to address the limitations of our political process.’
      • ‘You are invited to become part of an experiment in poetry e-publishing.’
      • ‘According to the director, it is a novel experiment in producing an action film cost-effectively.’
      • ‘Time, then, to discuss the next experiment in Scottish architecture.’
      • ‘Other exiles find out about the news in various ways, an experiment in style.’
      • ‘This was an interesting experiment in blogging on the move.’
      • ‘I really feel that I'm on your wavelength when you talk about the film being an experiment in spontaneity.’
      • ‘This intimate ritual is both an act of worship and an experiment in agronomy.’
      • ‘These are still very early days for such a grand experiment in self-government.’
      • ‘This fiction is a slight departure from my usual writing style and is an experiment in itself.’
      • ‘As an experiment in laziness, I decided not to shave on Saturday and Sunday.’
      • ‘The democratic experiment in some countries has failed insofar as it was ever tried.’


  • 1 Perform a scientific procedure, especially in a laboratory, to determine something.

    ‘she experimented on chickens as well as mice’
    • ‘They've said there was the wrong drug in the vial which they experimented on the animals.’
    • ‘It is here where some of the smallest particles in the universe are detected and experimented on using massive machines.’
    • ‘Life as we know it would not be possible without experimenting on animals.’
    • ‘In truth it is the genetic similarity between humans and primates that makes experimenting on them expedient.’
    • ‘The animal they are experimenting on is not able to make such judgements, but can nevertheless suffer.’
    • ‘Isaac Newton obtained some of Boyle's mysterious red powder and experimented on it.’
    • ‘Several institutions have experimented on servicemen without their knowledge.’
    • ‘We were transported to another world and experimented on like guinea pigs.’
    • ‘No one lightly goes into experimenting on primates or any other animal.’
    • ‘These are the views of those who stopped doctors experimenting on dead bodies in the 17th century.’
    • ‘You can prove or disprove anything you like by experimenting on different animals.’
    • ‘From the second half of the 19th century onward, experimenting on animals became part of all medical curricula.’
    • ‘Concerns have been raised that doctors have not tested it on animals but are effectively experimenting on humans.’
    • ‘The primates being experimented on in laboratories share over 95 per cent of their DNA with you.’
    • ‘Cloning humans while the technology is still new and unproven is akin to experimenting on babies.’
    • ‘He then went on to say that since animals habitually injure each other we should not worry unduly about experimenting on them in a good cause.’
    • ‘At the end of the day, we must realise that animals are not here to be exploited and experimented on by us.’
    • ‘The technique itself is prone to failure and amounts to experimenting on a human being.’
    • ‘The benefits of animal experiments are beside the point if experimenting on animals is immoral.’
    • ‘She experimented on humans and saved a few from an early death.’
    conduct experiments, carry out tests, carry out trials, conduct research
    test, trial, put to the test, do tests on, try out, carry out trials on, assess, appraise, evaluate
    investigate, examine, explore, observe, verify
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    1. 1.1Try out new concepts or ways of doing things.
      ‘the designers experimented with new ideas in lighting’
      • ‘After experimenting on her own home, Louise did commissions for friends and family while working as a teacher.’
      • ‘Since the car was delivered last October he and his colleagues have experimented with it and laid the foundations for a number of research projects.’
      • ‘Some regions of China, looking for creative ways to improve local governance, have already experimented with the idea.’
      • ‘It's high time I experimented with regular sleeping patterns.’
      • ‘Specialist growers have experimented with garlic from all over Europe and breed the best strains suited to our climate.’
      • ‘So a unique method of clapping was experimented with and was found to work surprisingly well!’
      • ‘During the voyage he experimented with the lunar position method of determining longitude.’
      • ‘We had also experimented with our running method today.’
      • ‘They experimented with the tactics and methods of their enemies, and adopted those which they found useful.’
      • ‘The council experimented with this idea in 1986 and cancelled it six months later as patently it did not work.’
      • ‘I also experimented with innovative methods of displaying my growing autograph collection.’
      • ‘Swindon is one of only 18 pilot areas across the country to have experimented with Internet and other new forms of polling technology.’
      • ‘Two years ago, at a plant in Belgium, he and colleagues experimented with a process involving acetic acid, which gives vinegar its smell.’
      • ‘We have always tried to bring new ideas to the table, experimented with different sounds, beats and ideas to keep what we are doing fresh and funky.’
      • ‘They experimented with the idea of college, but ruled it out in favour of their music.’
      • ‘Basically, the coach just experimented with different lineups, depth and interchangeability.’
      • ‘This work actively experimented with language, grammar and structure - indeed, it was vital to the whole basis of the novel.’
      • ‘That is something we very methodically experimented with for a full year.’
      • ‘To make the handling of nitroglycerine safer, he experimented with different additives.’
      • ‘Throughout his career he has experimented with diverse musical genres as rumba, soukous, salsa, highlife and afrobeat.’
      test, trial, experiment with, pilot
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Middle English: from Old French, or from Latin experimentum, from experiri try Compare with experience and expert.