Of or involving the cells of an organization or movement: The assessment of opposition to any totalitarian regime ... is notoriously difficult, for any effective movement must be secretive and cellular (Anthony Sampson). 4. Of or relating to a cellular telephone.
In the past, a human generation has been considered to be 20-25 years. Older genealogical documents will use these numbers. However, genealogical studies have revealed that this is too simplistic and can result in large inaccuracies during statistical calculation.
Perhaps the most widely held belief for the length of a generation is forty years. A 40-year period was required for the disobedient generation of Moses' day to die off in the wilderness. Those who hold to the forty-year generation concept do not take into account the total age of those who had sinned against the Lord.