life expectancy. 1. the probable number of years remaining in the life of an individual or class of persons determined statistically, affected by such factors as heredity, physical condition, nutrition, and occupation. Also called expectancy of life.
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Life Expectancy. What is 'Life Expectancy'. Life expectancy in social science is the statistical age until which a person can be expected to live. BREAKING DOWN 'Life Expectancy'. Life expectancy is a statistical measure used for a variety of purposes in the financial world.
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Definition of life span. 1  1 : the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances. 2  2 : the duration of existence of an individual.
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Life expectancy is generally recorded as a person's expected lifespan from birth (age 0) and can be represented as either an expected mean or as the true average age of individuals born in that year (which can only be calculated after all people born that year have passed away).
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Definition of life span. 1 : the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances.
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life span. 1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it. 2. the longevity of an individual. Even the average man will shorten his life span like a Cro-Magnon.
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Life-span developmental theory provides a framework for understanding human aging. The main purpose of theory in the study of aging is to provide a context for describing and explaining the regular transformations that occur with time to representative organisms living under representative conditions.
http://www.encyclopedia.com/education/encyclopedias-almanacs-transcripts-and-maps/life-span-development
life span. 1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it. 2. the longevity of an individual. Origin of life span.
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Life-span developmental theory is usually considered to be a meta-theory in that it is a set of themes for approaching the study of development and aging. The life-span approach is not a set of empirically testable hypotheses; rather, it provides a broadened orientation to the study of aging.
http://www.encyclopedia.com/education/encyclopedias-almanacs-transcripts-and-maps/life-span-development
Medical Definition of life span. 1  1: the duration of existence of an individual. 2  2: the average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances.
https://www.merriam-webster.com/dictionary/life%20span
meaning of life span
The average length of life of a kind of organism or of a material object especially in a particular environment or under specified circumstances. The meaning of life span is a d of organism or of a material object especially in a particular environment or under specified circumstances.