EXPERIMENTAL: adjective (of a new invention or product) based on untested ideas or techniques and not yet established or finalized: an experimental drug. (of a work of' art or an artistic technique) involving a radically new and innovative style: experimental music. of or relating to scientific experiments: experimental results. archaic based on experience as opposed to authority or conjecture: an experimental knowledge of God.

- DERIVATIVES experimentalism noun, experimentalist noun, experimentally adverb.
- ORIGIN late 15th cent. (in the sense 'having personal experience', also 'experienced, observed'): from medieval Latin experimentalis, from Latin experimentum (see EXPERIMENT).

P. 647. The New Oxford Dictionary of English, Editor Judy Pearsall, Oxford University Press, 1998

To be continued...