the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
a period of time considered as a resource under your control and sufficient to accomplish something
an indefinite period (usually marked by specific attributes or activities)
the continuum of experience in which events pass from the future through the present to the past
a person's experience on a particular occasion
a reading of a point in time as given by a clock
the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event
