*illinition*

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. [ 1913 Webster ]

2. A thin crust of some extraneous substance formed on minerals. [ R. ] [ 1913 Webster ]

A thin crust or illinition of black manganese. Kirwan. [ 1913 Webster ]