0 an idea or set of ideas that explains something -- teoría
Darwin’s theory of evolution
1 an explanation sb believes is true, although there is no proof -- teoría [ feminine, singular ]
2 in science, an idea or set of ideas that attempt to explain how or why sth happens -- teoría [ feminine, singular ]
the theory of Evolution la teoría de la Evolución
3 all the ideas or rules on which a subject is based -- teoría [ feminine, singular ]
literary theory teoría literaria
4 an idea of the best way to do sth, which may be different from what happens in reality -- teoría [ feminine, singular ]
There, too, we want to work not only in theory but in practice.
Those behind the first theory have solid arguments to draw on.
The latest theory is that it came from deer; but it could have been a mutation or it could have been around for years.
I am sorry, you will have to look somewhere else for a conspiracy theory.
The theory of comparative advantage teaches us that it is quite natural for a country to be ahead in certain sectors.
Yes, as politicians we are operating in the sphere of practical politics and not pure economic theory.