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Existing in thought or as an idea but not having a physical or concrete existence.
She prefers abstract ideas over practical details.
She likes theoretical concepts more than concrete facts.
His explanation was too abstract for the beginners.
His explanation was too theoretical for newcomers.
Often used before nouns like 'concept', 'thought', 'art'.
A brief summary of a scholarly article, report, or presentation.
The conference program includes the abstract of each paper.
The program lists a short summary for each paper.
Typically appears in academic or scientific contexts.