Definition

1. Noun:
   • A scientific theory of biological evolution: "Evolutionism" refers specifically to the scientific theory explaining the origin and development of species of plants and animals through processes like natural selection, genetic drift, and mutation over successive generations.

Usage

• "Evolutionism" is used as a formal, academic term to denote the scientific theory of evolution. It is often contrasted with other beliefs about the origin of life, such as creationism.
• It functions as a singular, uncountable noun.

Examples

• The debate between evolutionism and creationism continues in some educational contexts.
• His research provides strong evidence in support of evolutionism.
• The professor's lecture outlined the core principles of Darwinian evolutionism.

Advanced Usage

• "Philosophical evolutionism": Sometimes used in a broader, non-biological sense to refer to any theory of gradual development or progress in other fields, such as society or culture. However, its primary and most precise meaning remains in biology.
  • While discussing social change, he carefully distinguished it from biological evolutionism.

Variants and Related Words

• Evolution (n): The process by which different kinds of living organisms develop and diversify from earlier forms. This is the core process described by evolutionism.
• Evolutionist (n): A person who believes in or supports the theory of evolution.
• Evolutionary (adj): Relating to or denoting the process of evolution.

Synonyms

• Theory of evolution: The most direct synonym.
• Darwinism: Specifically refers to the theory of evolution by natural selection as proposed by Charles Darwin.

Antonyms

• Creationism: The belief that the universe and living organisms originate from specific acts of divine creation.
• Fixism: The now-discredited theory that species are immutable and do not change over time.

Notes

• "Evolutionism" is distinct from the general term "evolution". "Evolution" refers to the observed process, while "evolutionism" refers to the scientific theory that explains that process.
• The term is less commonly used in everyday scientific discourse than "the theory of evolution." It often appears in historical, philosophical, or sociological discussions about the theory's impact.

Noun

1. (biology) a scientific theory of the origin of species of plants and animals