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Learn to pronounce ex·per·i·men·tal

/ikˌsperəˈmen(t)l,ekˌsperəˈmen(t)l/
adjective
(of a new invention or product) based on untested ideas or techniques and not yet established or finalized.
"an experimental drug"
synonyms: exploratory, investigational, probing, fact-finding, trial and error, trial, test, pilot, speculative, conjectural, hypothetical, tentative, preliminary, probationary, prototype, under review, under the microscope, on the drawing board, empirical, observational, untested, untried

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6 days ago · 1. of, relating to, or based on experience or experiment 2. a : serving the ends of or used as a means of experimentation an experimental school.
using new methods, ideas, substances, etc. that have not been tried before, usually in order to find out what effect they have:.
experimental in American English · 1. of or based on experience rather than on theory or authority · 2. based on, tested by, or having the nature of, experiment.
Something that's experimental is at an early stage, being observed, tested out, and subjected to experiments as it's being developed. An experimental space ...
adjective · relating to, based on, or having the nature of experiment. an experimental study · based on or derived from experience; empirical. experimental ...
6 days ago · 1. as in developmental made or done as an experiment an experimental procedure for patients suffering from leukemia.
EXPERIMENTAL meaning: 1 : relating to a scientific experiment or to scientific experiments in general; 2 : made or done in order to see how well something ...
There are 17 meanings listed in OED's entry for the word experimental, seven of which are labelled obsolete. See 'Meaning & use' for definitions.
Missing: definition | Show results with:definition
based on new ideas, forms, or methods that are used to find out what effect they have. experimental teaching methods.
A drug or procedure may be approved by the FDA for use in one disease or condition, but be considered experimental in other diseases or conditions. Also called ...