(comparative more polycrystalline, superlative most polycrystalline)
poly- +"Ž crystalline
"polycrystalline." YourDictionary, n.d. Web. 17 September 2018. <http://www.yourdictionary.com/polycrystalline>.
polycrystalline. (n.d.). Retrieved September 17th, 2018, from http://www.yourdictionary.com/polycrystalline
Many crystals. Polycrystalline structures are composed of many different crystals. Contrast with monocrystalline. See crystalline and polysilicon.
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