Definition of sclerosis
1
: pathological hardening of tissue especially from overgrowth of fibrous tissue or increase in interstitial tissue
also
: a disease characterized by sclerosis
2
: an inability or reluctance to adapt or compromise
political sclerosis
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Merriam-Webster unabridged
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Time Traveler for sclerosis
The first known use of sclerosis was in 1846
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