theory in a sentence
n.
Definition
A theory is a well-substantiated explanation or framework that is based on a body of evidence and is used to understand and predict phenomena in a specific field of study.
Sample Sentences
- The theory of evolution has fundamentally changed our understanding of biology.
- Many scientists are testing a new theory that could explain the origins of dark matter.
- In philosophy, a theory often serves as a framework for exploring complex ideas.
- Her theory about the effects of climate change sparked a lively debate among experts.
- The theory behind his experiment was sound, but the results were unexpectedly inconclusive.
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