absolute time
noun
: time (see time entry 1 sense 1a) regarded independently of the events that occur within it
Isaac Newton founded classical mechanics on the view that space is distinct from body and that time passes uniformly without regard to whether anything happens in the world. For this reason he spoke of absolute space and absolute time, so as to distinguish these entities from the various ways by which we measure them …—Stanford Encyclopedia of Philosophy
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Merriam-Webster unabridged



