Englishfor English speakers
alter
Verb
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If you alter something, you change it, usually in a small way.
The design can be easily altered by selecting new colours, materials, etc.
But not even a good cleaning would alter the fact that the room was dark and unfriendly.
Because he was so short, he always needed to have his pants altered to fit him.
ego
—
noun
an inflated feeling of pride in your superiority to others
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noun
(= self)
your consciousness of your own identity
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noun
(psychoanalysis) the conscious mind
theory
Noun
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A theory is an idea that tries to explain an observation.
The new information showed that his theory about growth was incorrect.
Nobody has disproved Einstein's theory of general relativity.