Meaning of EXPERIMENTAL in English

I. ik|sperə|ment ə l, ÷-pir-, ek|-, ˌekˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷ adjective

Etymology: Middle English, from Medieval Latin experimentalis, from Latin experimentum + -alis -al

1. : of, relating to, or based on experience : empirical

misgivings, intensified … by experimental knowledge of the difficulties to be overcome, seem to hem me in — Arnold Bennett


a. : founded on, derived from, or discovered by experiment

the heart of the experimental method is the direct control of the thing studied — B.F.Skinner

b. : given to or skilled in experiment

experimental philosophers could only indicate how gravity operated — S.F.Mason


a. : serving the ends of or used as a means of experimentation

experimental animals

the experimental theater

an experimental school

b. of a disease : intentionally produced especially in laboratory animals for the purpose of study

experimental tuberculosis

4. : relating to or having the characteristics of experiment : tentative

experimental flights will start this autumn — in fact, almost as soon as the two machines can be fitted with floats — London Calling

free verse is not yet out of the experimental stage — J.L.Lowes

II. noun

( -s )

1. obsolete : something learned by experience

as to experimentals … a mere novice — Samuel Richardson


a. : something experimental

don't try experimentals until you've had plenty of experience with the straight radio play — Josephina Niggli

b. : a plant or animal used in an experiment — compare control

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.