/ ɪkˌsperɪˈmentl; NAmE / adjective
based on new ideas, forms or methods that are used to find out what effect they have :
experimental teaching methods
experimental theatre / art / music
The equipment is still at the experimental stage.
connected with scientific experiments :
experimental conditions / data / evidence
► ex·peri·men·tal·ly / -təli; NAmE / adverb :
This theory can be confirmed experimentally.
The new drug is being used experimentally on some patients.
He moved his shoulder experimentally to see if it still hurt.
late 15th cent. (in the sense having personal experience , also experienced, observed ): from medieval Latin experimentalis , from Latin experimentum , from experiri try.