Evolution

Definition

Evolution refers to the gradual development of something, especially from a simple to a more complex form. In biology, it describes the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /ˌɛvəˈluːʃən/ or /ˌivəˈluːʃən/
• Respelling: ev-uh-LOO-shun or ee-vuh-LOO-shun

British English

• IPA Pronunciation: /ˌiːvəˈluːʃən/ or /ˌɛvəˈluːʃən/
• Respelling: ee-vuh-LOO-shun or ev-uh-LOO-shun

The pronunciation of "evolution" varies slightly between American and British English, particularly in the first syllable.

Etymology

The word "evolution" comes from the Latin word "evolutio," meaning "unrolling" or "unfolding." This term is derived from "evolvere," which combines "ex-" meaning "out" and "volvere" meaning "to roll."

Derivatives

• Evolutionary (adjective)
• Evolve (verb)
• Evolutionism (noun)
• Evolutionist (noun)
• Involution (noun)

Synonyms

• Development
• Progression
• Transformation

Antonyms

• Regression
• Stagnation
• Decline

Usage

The word "evolution" is most commonly used in scientific contexts, particularly in biology, to describe the process by which species change over time through natural selection and genetic variation. It is also used in broader contexts to describe any gradual development or change.

Related Terms

• Natural selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
• Adaptation: The process by which a species becomes better suited to its environment.
• Mutation: A change in the DNA sequence of an organism that can lead to evolutionary changes.

Detailed Definitions

Noun

• The gradual development of something: Refers to the process of change and development over time, often leading to more complex forms.
  • Example: "The evolution of technology has transformed the way we live."
• Biological evolution: Describes the process by which species of organisms change over generations, through mechanisms such as natural selection, genetic drift, mutation, and gene flow.
  • Example: "Darwin's theory of evolution by natural selection is a cornerstone of modern biology."