amorphous

A structure that lacks the regular arrangement found in crystals. The reason glass is transparent and has no distinct melting point.

Note: Also known as amorphous

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An amorphous structure is one that lacks the regular atomic arrangement found in crystals. Glass is a typical example of an amorphous solid; its atoms solidify while retaining a disordered arrangement similar to that of a liquid.

The fact that it has no distinct melting point and softens continuously as the temperature rises, as well as its transparency, stems from this amorphous structure. It is also referred to as “amorphous.”