polycrystalline

Definition

Composed of many small, individual crystal grains or regions with different orientations, rather than a single large continuous crystal.

Etymology

The word is derived from the Greek word polys, meaning 'many,' and the English word crystalline, which comes from the Greek krustallos, meaning 'ice' or 'crystal.'

In the news

The article uses the term to describe real-world industrial materials that are made of complex, grain-filled structures, which are typically too large to model using traditional quantum-mechanical methods.

Metal ceramics under AI control: A new approach for calculating the mechanical properties of materials

Phys.org

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