Main Entry:

¹ex·per·i·ment

Pronunciation:

\ik-ˈsper-ə-mənt also -ˈspir-\

Function:

noun

Etymology:

Middle English, from Anglo-French esperiment, from Latin experimentum, from experiri

Date:

14th century

1 a: test, trial <make another experiment of his suspicion — Shakespeare> b: a tentative procedure or policy c: an operation or procedure carried out under controlled conditions in order to discover an unknown effect or law, to test or establish a hypothesis, or to illustrate a known law2obsolete : experience3: the process of testing : experimentation