Englishfor English speakers
theoretical
Adjective
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Theoretical is about theory rather than its practical application.
Entanglement is important but difficult to study, both in terms of a theoretical understanding and doing experiments.
profile
Noun
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A profile is a short biographical description of a person.
Because it was known that the serial killer was a European adult male, the police used that profile to exclude all women, children, and racial minorities from their list of suspects.
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A profile is a picture of a person.
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A profile is the most visible parts of an object.
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A profile is a person's head, being viewed from the side.
profile
Verb
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If somebody like the police or government profiles a person, they make judgements about them based on identifiable characteristics.
Unfortunately, racial profiling causes problems for for Middle Eastern men when they fly.