Relating to or containing crystallites; characterized by the presence of small crystalline structures within a material.
From 'crystallite' (a small crystal) + '-ic' (adjective-forming suffix), describing materials composed of minute crystal particles.
Metalworkers have known for centuries that heating and cooling metal creates 'grain' (crystallites), which is why smiths repeatedly heat and hammer steel—manipulating these tiny crystals makes stronger swords!
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