Medical Definition of time
1a: the measured or measurable period during which an action, process, or condition exists or continues—see bleeding time, coagulation time, prothrombin time, reaction timeb: a continuum which lacks spatial dimensions and in which events succeed one another from past through present to future
2: the point or period when something occurs
3: a moment, hour, day, or year as indicated by a clock or calendar <what time is it>
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