aposematism

noun ap·o·sem·a·tism \ ˌa-pə-ˈse-mə-ˌti-zəm \

Definition of aposematism

zoology
: the use of a signal and especially a visual signal of conspicuous markings or bright colors by an animal to warn predators that it is toxic or distasteful : warning coloration
  • Ladybugs are a good example of aposematism, when the bright colors of red, orange, yellow and black serve as a defense mechanism that warns potential predators of past poisonous or unappetizing results.
  • —Carol Coogan, Times Union (Albany, New York)16 June 2008

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Origin and Etymology of aposematism

aposemat(ic) +-ism


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