re·flec·tion  (r ĭ-fl ĕk sh ən)
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n.1. The act of reflecting or the state of being reflected. 2. Something, such as light, radiant heat, sound, or an image, that is reflected. 3. a. Serious thinking or careful consideration: engaged in reflection on the problem. b. A thought or an opinion resulting from such thinking or consideration: wrote down her reflections. 4. An indirect expression of censure or discredit: a reflection on his integrity. 5. A manifestation or result: Her achievements are a reflection of her courage. 6. Anatomy a. The folding of a membrane from the wall of a cavity over an organ and back to the wall. b. The folds so made.
re·flection·al adj. |
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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