noun / verb
experiment
ik-SPAIR-ih-muhnt/ɪkˈsperɪmənt/
A test to discover what happens or how well something works.
The scientist's experiment compares how different lighting affects two identical seedlings.

Etymology
The verb meaning “to try or test” became a noun for the testing itself. An experiment thus names the trial used to discover or prove something, rather than the knowledge gained from it.
In context
… during the experiment most test subjects showed signs of severe distress when administering the electric shock …
More examples
- The students repeat the experiment to check their results.
- I experiment with different spices when I make soup.
- The store experiments with longer hours to attract more customers.
Forms
experiment · experiments · experimented · experimenting
experimental adjective — Used to test new ideas or methods.
experimentation noun — The process of trying and testing ideas.