proof of concept

[ proofuhv kon-sept ]
/ ˈpruf əv ˈkɒn sɛpt /

noun

a small-scale demonstration that a business plan, product in development, etc., is likely to be successful in later stages (often used attributively): A rough prototype of the device was constructed as proof of concept. The next step is a proof-of-concept clinical trial to evaluate the drug.

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Origin of proof of concept

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for proof of concept

proof of concept

noun

commerce the stage during the development of a product when it is established that the product will function as intended
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012