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scleroderma
sclerodermatous
sclerometer
sclerophyll
scleroprotein
sclerosis
sclerotia
sclerotic
sclerotin
sclerotise
sclerotium
sclerotize
sclerotomy
sclerous
SCM
SCN
scoff (1)
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sclerotin
scler·o·tin [ sklrətin, sklérrətin ]


noun 
Definition:
 
protein that hardens chitin: an insoluble protein that hardens and darkens the chitin on the outer skeleton of arthropods
[Mid-20th century. <sclero- after words such as keratin]
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