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English definition of “experiment”

experiment

noun [C or U] uk   /ɪkˈsper.ɪ.mənt/ us  
B1 a test done in order to learn something or to discover if something works or is true: Some people believe that experiments on animals should be banned. [+ to infinitive] Scientists are conducting/carrying out/doing experiments to test the effectiveness of the new drug. I've bought a different kind of coffee this week as an experiment (= in order to see what it is like). We can only find the best solution by experiment.

experiment

verb [I] uk   /ɪkˈsper.ɪ.ment/ us  
B2 to try something in order to discover what it is like or find out more about it: Things would never change if people weren't prepared to experiment. The school is experimenting with new teaching methods. Experimenting on mice can give us an idea of the effect of the disease in humans.
experimenter
noun [C] uk   /-men.tər/ us    /-ment̬ɚ/
(Definition of experiment from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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