Describing cyanide compounds or salts that form in crystalline structures or solid crystal patterns.
From cyano- + crystalline (from Latin crystallus 'crystal,' from Greek krystallos 'ice'). A descriptive term for the physical form of cyanide compounds.
Many deadly cyanide salts like potassium cyanide are beautiful, white, crystalline solids—which is part of why they've historically been so dangerous. Their innocent appearance as table salt-like crystals masks their extreme toxicity.
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