ep·​i·​taxy ˈe-pə-ˌtak-sē How to pronounce epitaxy (audio)
: the growth on a crystalline substrate of a crystalline substance that mimics the orientation of the substrate
epitaxial adjective
epitaxially adverb

Examples of epitaxy in a Sentence

Recent Examples on the Web The previous method, molecular beam epitaxy, resulted in larger quantum dots that were less useful and unstable at all but the most extremely cold temperatures. Caroline Delbert, Popular Mechanics, 18 Dec. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'epitaxy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


borrowed from French épitaxie, from épi- epi- + Greek táxis "arrangement, disposition" + French -ie -y entry 2 — more at taxis

Note: The term was introduced by the French mineralogist Louis Royer (1895-1980) in "Recherches expérimentales sur l'épitaxie ou orientation mutuelle de cristaux d'espèces différentes," Bulletin de la Société française de minéralogie, tome 51 (1928), p. 8.

First Known Use

circa 1931, in the meaning defined above

Time Traveler
The first known use of epitaxy was circa 1931

Dictionary Entries Near epitaxy

Cite this Entry

“Epitaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epitaxy. Accessed 19 May. 2024.

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