ab·strac·tion (ăb-străkshən, əb-)
a. The act of abstracting or the state of having been abstracted.
b. An abstract concept, idea, or term.
c. An abstract quality.
2. Preoccupation; absent-mindedness.
3. An abstract work of art.
ab·straction·al, ab·stractive adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.