Bedeutung von “evolution” im Essential American English Dictionary

evolution

noun [ no plural ] us /ˌev·əˈlu·ʃən/

the way in which living things gradually change and develop over millions of years:

Darwin’s theory of evolution

a gradual process of change and development:

the evolution of language
the painter’s artistic evolution

(Definition von “evolution” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)