Definition and meaning of English word "theory"
theory
/ˈθɪəri/
Meaning
NounA description of an event or system that is considered to be accurate.
How to use
The term 'theory' is often used in scientific and academic contexts. It refers to a well-substantiated explanation for a phenomenon. A common mistake is to use 'theory' loosely, implying a guess or speculation. For example, 'The theory of evolution is widely accepted by scientists.'
🇬🇧 English
theory
Example
Einstein's general theory of relativity fundamentally transformed our understanding of gravity and spacetime.
Your personal vocabulary
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Common phrases
- scientific theory— scientific theory
- theory of relativity— theory of relativity
- evolutionary theory— evolutionary theory
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Frequency rank: #1295 in English
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Frequently Asked Questions
What does the English word "theory" mean?▼
The English word "theory" means "theory" in English.
How do you pronounce the English word "theory"?▼
You can hear the correct audio pronunciation of the word "theory" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "theory"?▼
Yes, here is a practical example: "Einstein's general theory of relativity fundamentally transformed our understanding of gravity and spacetime." (which translates as "theory").
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