1. pertaining to, derived from, or founded on experiment: an experimental science.
  2. of the nature of an experiment; tentative: The new program is still in an experimental stage.
  3. functioning as an experiment or used for experimentation: an experimental airplane.
  4. based on or derived from experience; empirical: experimental knowledge.


  1. something that is experimental.


  1. relating to, based on, or having the nature of experimentan experimental study
  2. based on or derived from experience; empiricalexperimental evidence
  3. tending to experimentan experimental artist
  4. tentative or provisionalan experimental rule in football

adj.mid 15c., “having experience,” from experiment (n.) + -al (1). Meaning “based on experience” is from 1560s. Meaning “for the sake of experiment” is from 1792 (e.g. Experimental farm).

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