Evolution means the process of developing by gradual changes. A rock star might discuss her evolution as a musician, for example. In biology, evolution refers to genetic change in species or populations over time.

Evolution usually refers to a process that produces a better or more complex form. In biology, it is the natural process by which animals and plants develop from their original or primitive state to their modern or specialized state. This noun is from Latin evolutio, "an unrolling or opening," combined from the prefix e-, "out," plus volvere, "to roll."

Definitions of evolution
  1. noun
    (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
    synonyms: organic evolution, phylogenesis, phylogeny
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    anamorphism, anamorphosis
    the evolution of one type of organism from another by a long series of gradual changes
    anthropogenesis, anthropogeny
    the evolution or genesis of the human race
    emergent evolution
    the appearance of entirely new properties at certain critical stages in the course of evolution
    evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
    evolution resulting from small specific genetic changes that can lead to a new subspecies
    the evolution of a biological species
    type of:
    biological process, organic process
    a process occurring in living organisms
  2. noun
    a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)
    “the evolution of Greek civilization”
    synonyms: development
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    degeneration, devolution
    the process of declining from a higher to a lower level of effective power or vitality or essential quality
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    the development of a consonant phoneme into a sibilant
    a process of becoming deeper and more profound
    a progression from simpler to more complex forms
    flowering, unfolding
    a developmental process
    type of:
    physical process, process
    a sustained phenomenon or one marked by gradual changes through a series of states
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