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 ]
Yes, as politicians we are operating in the sphere of practical politics and not pure economic theory.
The theory of comparative advantage teaches us that it is quite natural for a country to be ahead in certain sectors.
I am sorry, you will have to look somewhere else for a conspiracy theory.
The latest theory is that it came from deer; but it could have been a mutation or it could have been around for years.
Those behind the first theory have solid arguments to draw on.
There, too, we want to work not only in theory but in practice.