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.
study
Noun
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A study is a formal effort to learn about something, usually with a written report at the end.
A recent study of New Mexico, completed using national survey data, indicates that many older New Mexicans are returning to school.
study
Verb
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If you study something, you make an effort to learn it.
We study math at the school.