birth-death process

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birth-death process

[¦bərth ¦deth ‚prä‚səs]
(industrial engineering)
A simple queuing model in which units to be served arrive (birth) and depart (death) in a completely random manner.
(statistics)
A method for describing the size of a population in which the population increases or decreases by one unit or remains constant over short time periods.
References in periodicals archive ?
These cells are continuously replenished in a birth-and-death process that takes 10-12 days.