| 单词 | evolution |
| 释义 | Word Frequency evolution(ˌiːvəˈluːʃən) noun 1. biology a gradual change in the characteristics of a population of animals or plants over successive generations: accounts for the origin of existing species from ancestors unlike them See also natural selection 2. a gradual development, esp to a more complex form the evolution of modern art 3. the act of throwing off, as heat, gas, vapour, etc 4. a pattern formed by a series of movements or something similar 5. an algebraic operation in which the root of a number, expression, etc, is extracted Compare involution (sense 6) 6. military an exercise carried out in accordance with a set procedure or plan Derived forms evolutionary (ˌevoˈlutionary) or evolutional (ˌevoˈlutional) adjective Word origin C17: from Latin ēvolūtiō an unrolling, from ēvolvere to evolve |
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