multifactorial

adjective mul·ti·fac·to·ri·al \ -fak-ˈtȯr-ē-əl \
Updated on: 15 Nov 2017

Definition of multifactorial

1 : caused or marked by a polygenic mode of inheritance dependent on a number of genes at different loci
  • The essence of multifactorial (polygenic) inheritance is that a single component of the phenotype (a single character) can be controlled by several independent gene loci.
  • —Ernst Mayr
; also : caused by or dependent on the interaction of multiple genes combined with one or more environmental factors
  • Breast cancer is what scientists call "multifactorial" in that a variety of genetic, environmental and lifestyle factors are thought to play a role.
  • —Francesca Lyman
2 or multifactor play \-ˈfak-tər\ : having, involving, or produced by a variety of elements or causes
  • a multifactorial approach
  • multifactor authentication
  • Ligament damage, particularly in a throwing arm, is a complex, multifactorial process.
  • —Matt McCarthy

multifactorially

play \-fak-ˈtȯr-ē-ə-lē\ adverb

First Known Use of multifactorial

1920


Medical Dictionary

multifactorial

adjective mul·ti·fac·to·ri·al \ -fak-ˈtōr-ē-əl, -ˈtȯr- \

medical Definition of multifactorial

1 : having characters or a mode of inheritance dependent on a number of genes at different loci
2 or multifactor play \-ˈfak-tər\ : having, involving, or produced by a variety of elements or causes
  • a multifactorial study
  • a disease with a multifactorial etiology

multifactorially

play \-ē-ə-lē\ adverb

multifactoriality

play \-ˌtōr-ē-ˈal-ət-ē, -ˌtȯr-\ noun plural -ties

Seen and Heard

What made you want to look up multifactorial? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

food, provisions, or a tasty dish

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!