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

Example Sentences

Recent Examples on the Web According to the second version, a layer of porous polycrystalline diamond substance was formed inside the diamond because of ultra-fast growth, and more aggressive mantle processes subsequently dissolved it. Fox News, 10 Oct. 2019 Those days are long gone now, as the Series 5 uses what Apple calls a low-temperature polycrystalline oxide display to create a third display mode. Aaron Pressman, Fortune, 20 Sep. 2019 That branding is less of a mouthful than the term for what lights up the pixels: low-temperature polycrystalline silicon, or LTPS. Dieter Bohn, The Verge, 9 Oct. 2018 The surface is 7 mm thick, or about a quarter inch, and has photovoltaic cells arranged like tiles in a polycrystalline silicon layer that is applied directly to the road. Jay Bennett, Popular Mechanics, 9 Feb. 2016 The 100-watt, 12-volt polycrystalline portable solar panels can be used to charge cell phones, computers, or run fans or lights or even small refrigerators. Kristen Jordan Shamus, Detroit Free Press, 30 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polycrystalline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


poly- + crystalline

First Known Use

1918, in the meaning defined at sense 1

Time Traveler
The first known use of polycrystalline was in 1918

Dictionary Entries Near polycrystalline

Cite this Entry

“Polycrystalline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycrystalline. Accessed 24 Mar. 2023.

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