1historical To speculate about the evolution of life, after the manner of Erasmus Darwin; to write in the poetic style of Erasmus Darwin.
2To speculate or theorize about evolution in the light of Charles Darwin's theory.
3with object To subject to evolution or selective competition in a manner considered to be Darwinian; to modify or eliminate by means of natural or artificial selection. Also without object: to evolve or be transformed in this way.
4with object To cause (a person) to accept Darwinism; to subject to the influence of Darwinism; to incorporate Charles Darwin's ideas or principles into (a theory or discipline); to consider or treat (a subject) in the light of Darwin's theory of evolution by natural selection.
Early 19th century. From the names of Erasmus Darwin and Charles Darwin + -ize.