phan·tas·ma·go·ri·a (făn-tăz′mə-gôrē-ə) also phan·tas·ma·go·ry (făn-tăzmə-gôr′ē)
n. pl. phan·tas·ma·go·ri·as also phan·tas·ma·go·ries
a. A fantastic sequence of haphazardly associative imagery, as seen in dreams or fever.
b. A constantly changing scene composed of numerous elements.
2. Fantastic imagery as represented in art.
[Alteration of obsolete French phantasmagorie, art of creating supernatural illusions : perhaps fantasme, illusion (from Old French; see PHANTASM) + allégorie, allegory, allegorical visual representation (from Old French, allegory, from Latin allēgoria; see ALLEGORY).]
phan·tas′ma·goric (-gôrĭk, -gŏr-) 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.