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1. Involving, dependent on, or controlled by several factors.
2. Of, relating to, or caused by a pattern of familial inheritance resulting from multiple genetic or environmental factors or from a combination of both.
1. (Genetics) genetics of or designating inheritance that depends on more than one gene
2. Also : multifactor involving or including a number of elements or factors
mul•ti•fac•to•ri•al(ˌmʌl ti fækˈtɔr i əl, -ˈtoʊr-, ˌmʌl taɪ-)
having or stemming from a number of different causes or influences.
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|Adj.||1.||multifactorial - involving or depending on several factors or causes (especially pertaining to a condition or disease resulting from the interaction of many genes)|
complex - complicated in structure; consisting of interconnected parts; "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"
a. multifactorial, rel. a varios factores.