complementation

noun com·ple·men·ta·tion \ ˌkäm-plə-(ˌ)men-ˈtā-shən , -mən- \

Definition of complementation

1 : the operation of determining the complement of a mathematical set
2 : production of normal phenotype in an individual heterozygous for two closely related mutations with one on each homologous chromosome and at a slightly different position

First Known Use of complementation

1942

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

Medical Dictionary

complementation

noun com·ple·men·ta·tion \ ˌkäm-plə-(ˌ)men-ˈtā-shən, -mən- \

medical Definition of complementation

1 : the formation of neutral colors from complementary colors
2 : production of normal phenotype in an individual heterozygous for two closely related mutations with one on each homologous chromosome and at a slightly different position

Seen and Heard

What made you want to look up complementation? 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

a quick and clever reply

Get Word of the Day daily email!

Test Your Vocabulary

May 2018 Words of the Day Quiz

  • spring-flowers
  • Which is a synonym of raillery?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

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!