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90s Slang You Should Know

proper time

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
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Examples from the Web for proper time
Historical Examples
  • Then he introduced me to Mr. Martinez as the grateful result of a well-lined stomach applied at the proper time.

    Plain Mary Smith Henry Wallace Phillips
  • Yet books are valuable at the proper time and in the proper place.

    Journeys Through Bookland, Vol. 10 Charles Herbert Sylvester
  • But they did not ask, knowing that, whatever it was, it would be better to wait and find out at the proper time.

    The Hills of Desire Richard Aumerle Maher
  • If one of the players forgets to say "Buzz" at the proper time, he is out.

    Games For All Occasions Mary E. Blain
  • He went to the vault and opened it at the proper time and examined its contents casually.

    Ted Strong's Motor Car Edward C. Taylor
  • I told him this was not the proper time, but he was so insistent that I promised to bring you his card.

    Fantmas Pierre Souvestre
  • The fat would be in the fire months, perhaps, before the proper time.

    Rung Ho! Talbot Mundy
  • We will reserve this awful record for its proper time and place.

  • You promise, however, when the proper time comes, to make me acquainted with it?

    The Tithe-Proctor William Carleton
  • He forced himself to dress for dinner and to go down at the proper time.

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