tested and proved
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But each of these fundamental aspects of contemporary medicine had to first be discovered, tested and proved.
From Los Angeles Times • May 28, 2025
As with any medical device, it would need to be tested and proved accurate, safe, and at least as good as other types of glucose sensors available now to win Food and Drug Administration approval.
From Seattle Times • Jan. 17, 2014
The good faith of the House was promptly tested and proved.
From Time Magazine Archive
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I ask by what right do you now presume to initiate even a partial return to your policies which have been tested and proved so ruinous.
From Time Magazine Archive
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Steam-engines had been tried, but found too heavy for the power generated; electric motors had been tested, and proved entirely out of the question for the same reason.
From Stories of Inventors The Adventures of Inventors and Engineers by Doubleday, Russell