proof of concept
noun
plural proofs of concept
: something that demonstrates the feasibility of a concept (such as a product idea or a business plan)
Even if it succeeds, the $5.9 billion reactor will be just a proof of concept, with commercial fusion power still decades away.—
Corey S. Powell
Corey S. PowellMalware and virus-writing used to be something hobbyist hackers did for fun, as proofs of concept. Not anymore.—Mat Honan
—often hyphenated when used before another nounMat HonanNo invention is worth anything without the proof-of-concept prototype.—Shintaro Asano
Shintaro Asano… proof-of-concept experiments funded with public money and years away from any commercial application, were sponsored by university biology departments.—Andrew Curry
Andrew CurryExamples of proof of concept in a Sentence
Recent Examples on the Web
The most striking proof of concept is Iron Lung, the sci-fi horror film written, directed and self-distributed by YouTuber and gaming personality Markiplier, which has now grossed more than $50 million worldwide.
—Scott Roxborough, HollywoodReporter, 17 May 2026
Weinzierl hopes that Varda’s partnership with United Therapeutics turns into a successful proof of concept that could then be replicated.
—Ramin Skibba, Scientific American, 15 May 2026
Demand Proof Of Utility Similar to the Jobs to Be Done concept, once a product is built, proof of concepts are key to evaluating its utility in practice.
—Eilon Reshef, Forbes.com, 15 May 2026
As part of the award, Baby Atómica will give its director Felipe Zúñiga and Wong the opportunity to shoot their proof of concept together with its team in Costa Rica.
—Anna Marie De La Fuente, Variety, 15 May 2026
See All Example Sentences for proof of concept
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Scott Roxborough, HollywoodReporter, 17 May 2026
Weinzierl hopes that Varda’s partnership with United Therapeutics turns into a successful proof of concept that could then be replicated.
—Ramin Skibba, Scientific American, 15 May 2026
Demand Proof Of Utility Similar to the Jobs to Be Done concept, once a product is built, proof of concepts are key to evaluating its utility in practice.
—Eilon Reshef, Forbes.com, 15 May 2026
As part of the award, Baby Atómica will give its director Felipe Zúñiga and Wong the opportunity to shoot their proof of concept together with its team in Costa Rica.
—Anna Marie De La Fuente, Variety, 15 May 2026
See All Example Sentences for proof of concept
Cite this Entry
“Proof of concept.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proof%20of%20concept. Accessed 21 May. 2026.
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