experiment
US /ɪkˈsper.ə.mənt/
UK /ɪkˈsper.ə.mənt/

1.
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact
:
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The scientists conducted an experiment to test their new theory.
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The results of the experiment were surprising.
1.
perform a scientific experiment or series of experiments
:
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The researchers will experiment with different chemicals.
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She likes to experiment with new recipes in the kitchen.