Meaning of EXPERIMENT in English
( n. )
Atrial or special observation, made to confirm or disprove something doubtful; esp., one under conditions determined by the experimenter; an act or operation undertaken in order to discover some unknown principle or effect, or to test, establish, or illustrate some suggest or known truth; practical test; poof.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012