polycrystal

/ ˈpɒlɪˌkrɪstəl /

noun

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

Example Sentences

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

From Science Daily

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.

From Scientific American