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proper time

British

noun

time measured by a clock that has the same motion as the observer. Any clock in motion relative to the observer, or in a different gravitational field, will not, according to the theory of relativity, measure proper time

"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

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proper time

Later, he adopted a habit of submitting the master tape of an episode so late there wasn’t proper time to review it.

From Salon ● Jul. 25, 2025

She said the bill would be an “absolutely mammoth change” and would be done “without the proper scrutiny and the proper time to have a proper discourse about it”.

From BBC ● Nov. 24, 2024

“Despite not having proper time, resources and staffing when things got tough I just did my best to handle it,” Ms. Gutierrez-Reed said in court, reading from a statement, her wrists shackled.

From New York Times ● Apr. 15, 2024

"We found that we can ascribe a 'proper time' to the wave, which is entirely analogous to the proper time in the general theory of relativity" Ornigotti says.

From Science Daily ● Oct. 20, 2023

For friendships acquired by a price and not by greatness and nobility of spirit are purchased but are not owned, and at the proper time cannot be spent.

From "The Prince" by Niccolò Machiavelli

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023