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theory of vs theory about

Both 'theory of' and 'theory about' are correct and commonly used in English. They can be used interchangeably in many contexts.

Last updated: March 30, 2024 • 800 views

theory of

This phrase is correct and commonly used in English.

The phrase 'theory of' is used to introduce the subject or field of study that a theory pertains to. It is commonly used in academic and scientific contexts.

Examples:

The theory of relativity
The theory of evolution
The theory of quantum mechanics

Show examples from the web [+]

Just explaining the theory of relativity.
It would appear that the theory of infinite velocity is correct.
That's the famous theory of Professor Leonard Nosferatu.
Just goes to prove the theory of our State.
And Nietzsche, with his theory of eternal recurrence.
Have you studied Darwin's theory of evolution?
It was from this cave Agostina wrote out her theory of ratite revenge.
I was in the midst of explaining my theory of time relativity.
He conceived the theory of genocide, mass depopulation of conquered lands.
In statistics and the theory of decision-making under uncertainty, errors are inevitable. There are two kinds.
These schematics use equations like the theory of relativity.
We associate the name of Darwin with the theory of evolution.
This rule is grounded in the theory of national interest.
The concept of legitimate error such as to impart legal effects is linked to the theory of appearance.
The theory of relativity explains the immense.
You're backing off the theory of a double cross.
Sure. We've been searching for a... unifying theory of everything.
I was trying to explain the theory of relativity.
Only then does this theory of imprint have an effect.
This is where Charles Darwin developed his theory of evolution.

Alternatives:

principle of
concept of
idea of
hypothesis of
model of

theory about

This phrase is correct and commonly used in English.

The phrase 'theory about' is used to introduce the topic or subject matter that a theory discusses. It is also commonly used in various contexts.

Examples:

A theory about human behavior
A theory about the origin of the universe
A theory about climate change

Show examples from the web [+]

I have this whole theory about a promotion.
I have a theory about Ivan, Victor.
I have a theory about human evolution.
I have a theory about the attacks.
My theory about the smoke monster will blow her mind.
I've got a new theory about marriage.
Commander, Captain Thrace has a theory about our missing Raptors, sir.
You must have a theory about what happened to Kevin.
Freud had a theory about that.
I have a theory about that pizza.
I have a theory about this case.
You know, I have a theory about projecting.
Because she just got finished telling me her theory about how someone inside the commission was involved.
It seems everyone has a theory about Cooper.
I have a theory about this so-called break-in.
Dupree believed they were abducted, had this theory about...
It's a theory about the assassinations.
Irene has a theory about Ultra's serum, the one that takes our powers.
I have a theory about who might have been involved in Barry's mother's death.
Well, I have a theory about fine wine, which is that...

Alternatives:

idea about
concept about
hypothesis about
belief about
notion about

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