Definition of "experimental" []

• Relating to or based on experiment: experimental procedures; experimental results. (adjective)
• Given to experimenting. (adjective)
• Of the nature of an experiment; constituting or undergoing a test: an experimental drug. (adjective)
• Founded on experience; empirical. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "No experimental proof has hitherto been obtained that stimulation of the cerebral organs lying above the vaso-motor centre, and which include those possessing the function of thought, ever paralyzes this centre; but, as it is only by such paralysis that cerebral conditions can induce dilatation of blood-vessels, it must follow that no _experimental proof_ at present exists that stimulation of the brain ever does cause such dilatation -- that is, ever does become a cause of hæmorrhage."
• "One of the things that I have always used in such circumstances is what I call my experimental circle."
• "To cut down on fuel use, the Navy created what they termed an experimental forward operating base, or ExFOB, in Virginia."