Dictionary.com
Thesaurus.com

peppered moth

British  

noun

  1. a European geometrid moth, Biston betularia, occurring in a pale grey speckled form in rural areas and a black form in industrial regions See also melanism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

One of the exhibition's central stories focuses on the peppered moth, which adapted during the industrial revolution by developing darker colouring to blend in with soot-covered buildings.

From BBC Jun. 20, 2026

A classic example often taught in high school biology classes is that of industrial melanism in the peppered moth, a British species tha looks, well, "peppered," with black dots on a mostly white background.

From Salon Jun. 15, 2025

The story of the peppered moth is an example: the facts behind the selection toward darker moths have recently been called into question.

From Textbooks Jun. 9, 2022

Probably the best-known example of urban evolution is the English peppered moth whose coloration darkened in the 19th century in response to coal pollution.

From Scientific American Mar. 25, 2022

The story of the peppered moth is a classic example of evolution in action, right up there with Darwin’s finches.

From Science Magazine Jun. 1, 2016

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training