Definition of experimental in English:



  • 1(of a new invention or product) based on untested ideas or techniques and not yet established or finalized.

    ‘an experimental drug’
    • ‘He is about to take part in a trial of an experimental American drug in the hope he can buy more time.’
    • ‘Meanwhile, the experimental products will be tried in real repair projects.’
    • ‘Recently, researchers combined strontium with ranelic acid to produce the experimental drug.’
    • ‘It hopes to start clinical trials on its first experimental drug around the middle of next year.’
    • ‘Once in orbit, the experimental craft will wait four days before extending its solar sails, and will use this time to take pictures of Earth.’
    exploratory, investigational, probing, fact-finding, trial and error
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    1. 1.1 (of a work of art or an artistic technique) involving a radically new and innovative style.
      ‘experimental music’
      • ‘There was no avant-garde art any more, there was no more experimental drama any more.’
      • ‘Breaking with the traditional canon of styles in the arts, pop art is as experimental as the expressionist or primitive arts.’
      • ‘The group has been described as the most radical and experimental art movement of the sixties.’
      • ‘What happened to experimental filmmaking in Australia after that?’
      • ‘Living downstairs is Brian, an abstract artist with some truly disturbing experimental techniques.’
      • ‘He claims that he can find no evidence for pure clairvoyance in any of the spontaneous or experimental literature.’
      • ‘It blends edgy, experimental programming with traditional arts offerings.’
      • ‘I also recommend the disc for those who love avant-garde, experimental filmmaking.’
      • ‘Using the natural buoyancy of the water, the experimental dance is both effortless and enormously fluid.’
      • ‘Stephen is a creature that likes the form of traditional song, but he also loves the ideas of experimental music.’
      • ‘The roots of this approach might be traced to his introduction to experimental film-making.’
      • ‘Instead, he draws from his background in experimental jazz and spoken word.’
      • ‘During the first few weeks of June, electronica and experimental techno in the purist sense of the genre descends on Montreal.’
      • ‘The kinds of literary work that have been described as postmodernist include the Theatre of the Absurd and some experimental poetry.’
      • ‘We formed an experimental music group in 1980 called the East End Butchers.’
      • ‘This argument links his views to a well established experimental literature.’
      • ‘The spirit of experimental music lives on in Sao Paulo.’
      • ‘Why do you think there is such an interest in experimental music now, with more and more bands taking greater musical risks?’
      • ‘Vancouver is known for its small, young, independent, and experimental dance community.’
      • ‘Both shows entail a plethora of experimental dance, theater and music performances.’
      innovative, innovatory, new, original, inventive, radical, avant-garde, alternative, fringe
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    2. 1.2 Relating to scientific experiments.
      ‘experimental results’
      • ‘Her experimental results tell us what infants are actually able to learn.’
      • ‘We found that, on average, experimental treatment resulted in slightly better disease control than standard therapy did.’
      • ‘On the following day, the bird received the other food type with the same experimental protocol.’
      • ‘DNA was prepared as described in the experimental protocol section.’
      • ‘These findings are supported by both experimental and theoretical results.’
      • ‘The two groups were collapsed for further analyses, resulting in a larger experimental group.’
      • ‘Various experimental techniques have been used to study the gating mechanism of MscL.’
      • ‘Xenotransplantation is currently an experimental technique only.’
      • ‘Our experimental results seem to correlate with these theoretical findings.’
      • ‘Use of a constant cooling rate is very common in experimental practice.’
      • ‘This section will depict some of the applications of this knowledge that can be used in experimental protocols.’
      • ‘The ripple phase has been extensively studied by a variety of experimental techniques.’
      • ‘The sections below detail the experimental protocol for each of the two treatments.’
      • ‘The experimental protocol was approved by the Institute's Ethical Committee.’
      • ‘The model was calibrated on the basis of the similar experimental results.’
      • ‘Segre correctly emphasizes the importance of experimental tests of theoretical ideas.’
      • ‘Patients wishing to store their eggs should note that egg freezing and the use of frozen eggs in treatment are experimental techniques.’
      • ‘The surgical and experimental protocol was technically successful in all nine animals.’
      • ‘The structural results are in agreement with experimental literature data.’
      • ‘To check for robustness of results in this experimental study we used analysis of variance, analysis of covariance, and nested design.’
    3. 1.3archaic Based on experience as opposed to authority or conjecture.
      ‘an experimental knowledge of God’
      • ‘Pauli based his investigation on a profound analysis of the experimental and theoretical knowledge in atomic physics at the time.’
      • ‘What converts it from speculation to knowledge is confirmation by experimental evidence.’


Late 15th century (in the sense ‘having personal experience’, also ‘experienced, observed’): from medieval Latin experimentalis, from Latin experimentum (see experiment).