there aren't any choices on the question so here's the closest i can give. A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure
A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
Example of crystal :-
large crystals include snowflakes, diamonds, and table salt.
Meaning of crystal :-
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A piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
Ex:- "A quartz crystal".
Highly transparent glass with a high refractive index.
