Longman Dictionary of Contemporary English homepage

experiment

2 verb
     
ex‧per‧i‧ment2 [intransitive]
1 to try using various ideas, methods etc to find out how good or effective they are
experiment with/on/in
He experimented with lighter-than-air flight.
The teacher provided some different materials and left the children to experiment.
2 to do a scientific test to find out if a particular idea is true or to obtain more information
experiment with/on
I would defend the right of scientists to experiment on animals.
3 to try doing something to find out what it feels like, for example having sex or using illegal drugs
experiment with
She admitted she had experimented with cocaine.
—experimenter noun [countable]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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