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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
From the M-W Editors
Recent Examples of sclerosis from the Web
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The tumultuous fall of the company’s stock followed an announcement that the firm’s star pharmaceutical drug for multiple sclerosis failed to pass clinical trials.
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Gehrig set the hallowed record of 2,130 consecutive games, ending the streak in 1939 only after the effects of amyotrophic lateral sclerosis had set in.
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His wife of 54 years, Annette, told the Morning News he had been diagnosed with ALS, amyotrophic lateral sclerosis, last year.
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The Patient Advocate Foundation’s multiple-sclerosis and renal-cell-carcinoma funds have been closed to new applicants since 2016.
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The payouts were for $5 million for a qualifying diagnosis of amyotrophic lateral sclerosis and $4 million for a qualifying diagnosis of chronic traumatic encephalopathy.
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The money raised will also benefit Epilepsy Foundation, multiple sclerosis charities, as well as River Grove area schools.
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Martin described the case of one patient, a licensed practical nurse in her mid-30s who was diagnosed with multiple sclerosis.
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Anderson, who has multiple sclerosis, said that whatever Trump says about healthcare will matter to her much more than his thoughts on global temperatures.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sclerosis'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of sclerosis
Middle English sclirosis tumor, from Medieval Latin, from Greek sklērōsis hardening, from sklēroun to harden, from sklēros
SCLEROSIS Defined for English Language Learners
sclerosis
playDefinition of sclerosis for English Language Learners
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medical : a disease in which soft parts inside the body (such as arteries or muscles) become hard
Medical Dictionary
sclerosis
playMedical Definition of sclerosis
scleroses
\-ˌsēz\play1: a pathological condition in which a tissue has become hard and which is produced by overgrowth of fibrous tissue and other changes (as in arteriosclerosis) or by increase in interstitial tissue and other changes (as in multiple sclerosis)—called also hardening
2: any of various diseases characterized by sclerosis—usually used in combination; see arteriosclerosis, multiple sclerosis, myelosclerosis
Learn More about sclerosis
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See words that rhyme with sclerosis Spanish Central: Translation of sclerosis Nglish: Translation of sclerosis for Spanish speakers Britannica English: Translation of sclerosis for Arabic speakers Britannica.com: Encyclopedia article about sclerosis
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