Mül·​le·​ri·​an myü-ˈlir-ē-ən How to pronounce Müllerian (audio)
variants or Mullerian or müllerian or mullerian
: of, relating to, or being mimicry that exists between two or more inedible or dangerous species (as of butterflies or bees) and that is considered in evolutionary theory to be a mechanism which reduces loss to predation by simplifying the warning colors and patterns a predator must recognize
Mullerian mimicry differs from Batesian mimicry in that all the species in the complex are unpalatable, they cannot be distinguished by predators, and they must be found in the same place at the same time.Arthur V. Evans and Charles L. Bellamy
a Müllerian mimic

Word History


Fritz Müller †1897 German zoologist

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of Müllerian was in 1898

Dictionary Entries Near Müllerian

Cite this Entry

“Müllerian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/M%C3%BCllerian. Accessed 31 Jan. 2023.

Medical Definition


variants or Mullerian or müllerian or mullerian also Muellerian or muellerian
: of, relating to, derived from, or involving the Müllerian duct
Müllerian anomalies
Mullerian aplasia
Love words? Need even more definitions?

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

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
True or False

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

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?