Definition of "Experiment" :

noun: the act of conducting a controlled test or investigation

noun: a venture at something new or different

"As an experiment he decided to grow a beard."

noun: the testing of an idea

"It was an experiment in living."

verb: to conduct a test or investigation

"We are experimenting with the new drug in order to fight this disease."

verb: try something new, as in order to gain experience

"Students experiment sexually."