based on general ideas and not on any particular real person, thing or situation

existing in thought or as an idea but not having a physical reality

We may talk of beautiful things but beauty itself is abstract.

not representing people or things in a realistic way, but expressing the artist’s ideas about them

the work of American abstract expressionists like Mark Rothko

a short piece of writing containing the main ideas in a document

Abstracts of about 300 words should be submitted to the conference committee who will decide which papers to accept.

This information is supplementary to the abstract of accounts.

to make a written summary of a book, etc.

LEARNit Dictionary