n. Any of several theories that explain the evolution of systems or organisms.
n. The advocacy of Darwinian evolution by natural selection (Darwinism).
the GNU version of the Collaborative International Dictionary of English
n. The theory of, or belief in, evolution. See evolution, 6 and 7.
The Century Dictionary and Cyclopedia
n. The metaphysical or the biological doctrine of evolution or development.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (biology) a scientific theory of the origin of species of plants and animals
Word Usage
"Darwin's evolutionism is only part of a radical scientific vision stretching from the first cosmic explosion to the most refined aspects of human taste and feeling."