The subject of an experiment.
Pertaining to or founded on experiment.
Experiential, empirical.
Serving to be experimented upon; used in an experiment.
Serving as an experiment; serving to experiment.
A preparation for a main matter; an introduction.
Any of a series of sports events that determine the finalists
A relatively minor contest that precedes a major one, especially in boxing
In preparation for the main matter; initial, introductory, preparatory.