'Experimental' definitions:

Definition of 'experimental'

From: WordNet
adjective
Relating to or based on experiment; "experimental physics"
adjective
Relying on observation or experiment; "experimental results that supported the hypothesis" [syn: experimental, data- based, observational]
adjective
Of the nature of or undergoing an experiment; "an experimental drug"

Definition of 'Experimental'

From: GCIDE
  • Experimental \Ex*per`i*men"tal\, a. [Cf.F. exp['e]rimental.]
  • 1. Pertaining to experiment; founded on, or derived from, experiment or trial; as, experimental science; given to, or skilled in, experiment; as, an experimental philosopher. [1913 Webster]
  • 2. Known by, or derived from, experience; as, experimental religion. [1913 Webster]