prove out

verb

proved out; proved out or proven out; proving out; proves out

intransitive verb

: to turn out to be satisfactory or as expected

Examples of prove out in a Sentence

Recent Examples on the Web Its primary purpose was to prove out technologies necessary for precision landings. Stephen Clark, Ars Technica, 25 Jan. 2024 Both companies have work to do in proving out the technology to store and transfer these propellants, but both have already been partnering with NASA. Eric Berger, Ars Technica, 25 May 2023 That accounting trick has been easier to prove out on paper than in practice. Gregory Barber, WIRED, 7 Dec. 2023 Wu says that for him, the key value of the study comes in proving out the high pluripotency of the stem cells that scientists use in the lab. Meghan Bartels, Scientific American, 10 Nov. 2023 Satellite connectivity is now shipping in all new iPhones, but Apple still hasn’t proven out demand for the service. Jacob Kastrenakes, The Verge, 10 Nov. 2023 It was supposed to prove out a dream that smaller, modular designs can make splitting atoms to boil water and push turbines with steam much cheaper. WIRED, 9 Nov. 2023 While major international missions like Artemis will be the cornerstone of future lunar activity, Bokhari says that smaller scale near-term efforts, like NASA’s Commercial Lunar Payload Services (CLPS) program, provide a low-risk way to prove out key technologies and business models. Tim Fernholz, Quartz, 21 Apr. 2022 The goal is to prove out technologies that federal scientists believe have good odds of success, Canary Media’s Julian Spector reports. Sammy Roth, Los Angeles Times, 3 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'prove out.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of prove out was in 1941

Dictionary Entries Near prove out

Cite this Entry

“Prove out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prove%20out. Accessed 28 Mar. 2024.

Last Updated: - Updated example sentences
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