Definition of "experiment" in English

noun

1. A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of something previously untried.

   • conduct an experiment
   • carry out some experiments
   • perform a scientific experiment
   • South Korean officials announced last month that an experiment to create artificial rain did not provide the desired results.

2. (obsolete) Experience, practical familiarity with something.

verb

1. (intransitive) To conduct an experiment.

   • We're going to experiment on rats.

2. (transitive, obsolete) To experience; to feel; to perceive; to detect.

   • The Earth, the which may have carried us about perpetually ... without our being ever able to experiment its rest.

3. (transitive, obsolete) To test or ascertain by experiment; to try out; to make an experiment on.