polycrystal

/ ˈ��ɒ��ɪˌ��ɪ��ə�� /

noun

an object composed of randomly oriented crystals, formed by rapid solidification

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Almost every device that we use in our modern lives has a polycrystal component.

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As such, a polycrystal made of nanotwin domains is a bit like a slab of plywood where the wood grain reverses direction in each successive layer.

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