[ɛkˌspɛrɪˈmɛntl], (Adjective)

Definitions:
- (of a new invention or product) based on untested ideas or techniques and not yet established or finalized
(e.g: an experimental drug)

- (of art or an artistic technique) involving a radically new and innovative style
(e.g: experimental music)

- based on experience as opposed to authority or conjecture
(e.g: an experimental knowledge of God)


Phrases:

Origin:
late 15th century (in the sense ‘having personal experience’, also ‘experienced, observed’): from medieval Latin experimentalis, from Latin experimentum (see experiment)