Meaning of EXPERIMENT in English
1》 a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
2》 a course of action tentatively adopted without being sure of the outcome.
1》 perform a scientific ~.
2》 try out new things.
ME: from OFr., or from L. ~um , from experiri 'try'; cf. experience and expert .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004