theory

Try making your own sentence. Get instant feedback.

Theory Definition & Meaning

1. A theory is a proposed explanation or idea that attempts to explain a phenomenon or set of phenomena.

Example: The theory of evolution explains how species change over time through natural selection.

2. A theory is a set of principles or rules used to explain or predict a particular phenomenon.

Example: The theory of relativity explains how gravity affects the motion of objects in space.

3. A theory is a hypothesis or conjecture that has not yet been proven or tested.

Example: The theory that life exists on other planets is still just a theory, as we have not yet found definitive evidence.

4. A theory is a systematic and organized body of knowledge that is used to explain a particular field or subject.

Example: The theory of economics explains how markets work and how people make decisions about buying and selling goods and services.

5. A theory is a set of beliefs or assumptions that guide a particular way of thinking or acting.

Example: The theory of feminism posits that women should have equal rights and opportunities as men in all areas of life.

Examples of the word theory used in sentences.

  • The theory of relativity was proposed by Albert Einstein.
  • According to the theory of supply and demand, prices increase when demand is high.
  • My teacher explained the theory of gravity in class.
  • Some people believe in the theory of evolution.
  • The conspiracy theory about aliens is not based on scientific evidence.
  • Some people believe the conspiracy theory that the moon landing was faked.
  • There is a theory that eating chocolate can make you happy due to the release of endorphins.
  • The theory of relativity was introduced by Albert Einstein.
  • In theory, we should be able to finish the project by next week.
  • The theory behind the big bang is one of the most widely accepted scientific explanations of the universe's creation.
  • The Big Bang theory proposes that the universe originated from a single, incredibly compressed point.
  • There is a popular theory that a gluten-free diet can alleviate symptoms of autoimmune disorders.
  • The theory of relativity, developed by Albert Einstein, revolutionized our understanding of space and time.
  • According to the theory of evolution, all living organisms share a common ancestor.
  • The theory of cognitive dissonance suggests that when individuals encounter information that conflicts with their beliefs, they experience psychological discomfort.
  • The Keynesian theory proposes that government spending can stimulate economic growth during times of recession.
  • According to the theory, the universe began with a massive explosion called the Big Bang.
  • The chaos theory explores the idea that small changes can have significant impacts on complex systems.
  • The theory of relativity revolutionized our understanding of the nature of space and time.
  • The social contract theory suggests that individuals sacrifice some of their personal liberties in exchange for protection by the government.
  • In feminist theory, patriarchy is viewed as a system that perpetuates gender inequality and oppression.
  • Many scientists believe that the theory of evolution is the best explanation for the diversity of life on Earth.
  • Conspiracy theories about government cover-ups are often fueled by a lack of trust in official institutions.
  • The theory of relativity is one of Albert Einstein's most famous and groundbreaking theories.
  • The quantum theory states that particles can exist in multiple states at once, challenging our traditional understanding of physics.
  • The cognitive dissonance theory proposes that people tend to seek consistency in their beliefs and attitudes, which can lead to irrational behavior.
  • One popular theory suggests that dreams are our brain's way of processing information and emotions while we sleep.
  • Despite the growing body of evidence, some people still cling to the theory that vaccines are harmful.
  • The theory of relativity revolutionized our understanding of physics and the universe.
  • Many economists believe that the trickle-down theory of economics is flawed and benefit only the wealthy.
Copyright © 2023 Jaehyeong Lee
hi@jaehlee.dev
Home | Check | About | Sentences | Word List | Idioms | Slang | 한국어