proof of concept

[ proof uhv kon-sept ]

noun

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

   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.

proof of concept

noun

1. commerce the stage during the development of a product when it is established that the product will function as intended

Word History and Origins

Origin of proof of concept¹

First recorded in 1965–70

Example Sentences

Well, we had to figure out how to get somebody to pay for it, so we did a 90 second proof of concept.

From BBC

Proof of concept was demonstrated in 2021 by Finnish government researchers, who are now trying to help accelerate commercialisation.

From BBC

That part of Musselman’s plans will take much longer than a few months — and more compelling proof of concept than a couple of exhibition wins — to take hold.

From Los Angeles Times

The proof of concept could not be clearer.

From Salon

While some viewed the event as a proof of concept for Musk’s robotaxi, others were far more skeptical, saying it was all show and no substance.

From Los Angeles Times