polycrystalline

adjective

poly·​crys·​tal·​line ˌpä-lē-ˈkri-stə-lən How to pronounce polycrystalline (audio)
1
: consisting of crystals variously oriented
2
: composed of more than one crystal
polycrystal
ˈpä-lē-ˌkri-stᵊl How to pronounce polycrystalline (audio)
noun

Examples of polycrystalline in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Atop this region is the gate stack—a thin layer of silicon oxide insulation topped by a thicker piece of polycrystalline silicon. — IEEE Spectrum, 29 Jan. 2025 This is often called polycrystalline silicon, in contrast to the monocrystalline (single crystals) wafers that semiconductors are made on. — Willy Shih, Forbes, 13 Oct. 2024

Word History

Etymology

poly- + crystalline

First Known Use

1918, in the meaning defined at sense 1

Time Traveler
The first known use of polycrystalline was in 1918

Rhymes for polycrystalline

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Browse Nearby Words

polycrotic
polycrystalline
polyctenid
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Cite this Entry

“Polycrystalline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycrystalline. Accessed 29 Apr. 2025.

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