: a diagram outlining the emotional and behavioral history of a family's members over several generations in order to recognize and understand past influences on current behavior patterns ; also : a similar diagram detailing the medical history of a family's members as a means of assessing one's risk of developing disease
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/jen"euh gram', jee"neuh-/, n.
a graphic representation of the personalities and interplay of generations within a family, used to identify repetitive patterns of behavior; a psychological family tree.
[GEN(ERATION) + -O- + -GRAM1]
Useful english dictionary. 2012.