fix·a·tion  (f ĭk-s āsh ən)
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n.1. The act or process of fixing or fixating: the fixation of nitrogen by bacteria. 2. An obsessive preoccupation. 3. Psychology A strong attachment to a person or thing, manifested in an immature or pathological way. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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:
Indo-European Roots
Semitic Roots
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.
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