Illinition \Il`li*ni"tion\, n. [L. illinire, illinere, to
besmear; pref. il- in, on + linire, linere, to smear.]
1. A smearing or rubbing in or on; also, that which is
smeared or rubbed on, as ointment or liniment.
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2. A thin crust of some extraneous substance formed on
minerals. [R.]
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A thin crust or illinition of black manganese.
--Kirwan.
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