Experimental design worksheet. An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. based on or derived from experience; empirical: experimental knowledge. Definition of experimental adjective in Oxford Advanced Learner's Dictionary. A helicopter has also been donated by a local television station, should he need one. using new methods, ideas, substances, etc. 2. EXPERIMENTAL meaning: 1. See ‘Meaning & use’ for definitions, usage, and quotation evidence. The experimental evidence failed to live up to the psychological theories. something that is experimental. pjwjo ew gpp 0crdol apj2 tcdchx pxygrh fve6 xoqe w9ir