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evolution

play
noun evo·lu·tion \ˌe-və-ˈlü-shən, ˌē-və-\

Simple Definition of evolution

  • biology : a theory that the differences between modern plants and animals are because of changes that happened by a natural process over a very long time

  • : the process by which changes in plants and animals happen over time

  • : a process of slow change and development

Full Definition of evolution

  1. 1 :  one of a set of prescribed movements

  2. 2 a :  a process of change in a certain direction :  unfolding b :  the action or an instance of forming and giving something off :  emission c (1) :  a process of continuous change from a lower, simpler, or worse to a higher, more complex, or better state :  growth (2) :  a process of gradual and relatively peaceful social, political, and economic advance d :  something evolved

  3. 3 :  the process of working out or developing

  4. 4 a :  the historical development of a biological group (as a race or species) :  phylogeny b :  a theory that the various types of animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations; also :  the process described by this theory

  5. 5 :  the extraction of a mathematical root

  6. 6 :  a process in which the whole universe is a progression of interrelated phenomena

evo·lu·tion·ari·ly play \-shə-ˌner-ə-lē\ adverb
evo·lu·tion·ary play \-shə-ˌner-ē\ adjective
evo·lu·tion·ism play \-shə-ˌni-zəm\ noun
evo·lu·tion·ist play \-sh(ə-)nist\ noun or adjective

Examples of evolution

  1. changes brought about by evolution

  2. an important step in the evolution of computers



Origin of evolution

Latin evolution-, evolutio unrolling, from evolvere


First Known Use: 1622


EVOLUTION Defined for Kids

evolution

play
noun evo·lu·tion \ˌe-və-ˈlü-shən, ˌē-və-\

Definition of evolution

  1. 1 :  the theory that the various kinds of existing animals and plants have come from kinds that existed in the past

  2. 2 :  the process of development of an animal or a plant




Medical Dictionary

evolution

play play
noun evo·lu·tion \ˌev-ə-ˈlü-shən also ˌē-və-\

Medical Definition of evolution

  1. 1:  a process of change in a certain direction <tumor evolution and progression—I. J. Fidler et al>

  2. 2a:  the historical development of a biological group (as a race or species) :  phylogenyb:  a theory that the various types of animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations

  3. evo·lu·tion·ari·ly \-shə-ˌner-ə-lē\play adverb
    evo·lu·tion·ary \-shə-ˌner-ē\play adjective





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