The state or quality of being clotted; the condition of having formed into thick lumps or clots.
From Middle English 'clot' (a lump of earth or clay), likely from Old Norse 'klútr' (a cloth or clump). The suffix '-edness' (from Old English '-nes') forms abstract nouns. The concept of clotting in blood is a secondary, medical sense that emerged in the 17th century.
Your blood actually needs to clot—if it couldn't form these protective clumps, even a tiny paper cut could be fatal! Understanding clottedness was revolutionary for medicine, turning a mysterious bloody process into something doctors could understand and control.
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