Real Dictionary

experimental
a portion of time of indefinable length [...]
Experimental means using, used in, or resulting from scientific experiments.
good results; success [...]
relating to, based on, or having the nature of experiment [...]
systematic testing [...]
the act of coming towards or drawing close or closer [...]
the act of observing or the state of being observed [...]
the set of all the inflected forms of a word or a systematic arrangement displaying these forms [...]
the tools and equipment of an artisan [...]
to confirm or corroborate [...]
to handle or use, esp with some skill, in a process or action [...]
adjective: Something that is experimental is new or uses new ideas or methods, and might be modified later if it is unsuccessful.