Meaning & use
evolution
The gradual process by which species of organisms change over successive generations.
See it in a sentence
Darwin's theory of evolution explains how species adapt to their environments over time.
The company's product line shows a clear evolution from simple tools to smart devices.
A note on using this word
Evolution most precisely refers to biological change over generations, but it is also used broadly for gradual change in ideas or systems.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
Gradual development or change over time in something such as an idea, system, or technology.
The evolution of smartphones has transformed how people communicate.
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