a person with advanced knowledge of one or more sciences
a characteristic state or mode of living
the experience of being alive; the course of human events and activities
the course of existence of an individual; the actions and events that occur in living
the condition of living or the state of being alive
the period during which something is functional (as between birth and death)
the period between birth and the present time
living things collectively
a living person
the period from the present until death
