The condition or property of being amorphous; the state of lacking definite form or crystalline structure.
From Greek a- (without) + morphe (form) + -ism. This scientific term emerged in the 19th century to describe materials that don't crystallize.
Obsidian, amber, and the coating on your phone screen are all amorphic—they share 'amorphism,' which means the atoms inside refused to arrange themselves neatly, creating something stronger and stranger than they would be if they'd crystallized properly.
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