ˈprillion Mining. dial.
[? Related to prill n.4, or to prill vb. dial. (Cornwall), to mix.]
An inferior tin extracted from the slag.
| [1778 Pryce Min. Cornub. 263 The pillion (for so all Tin recovered out of the slags is called). See pillion n.3.] 1825 Hamilton Dict. Terms of Art, Prillion, in Metallurgy, tin extracted from the slag of the furnace is thus named in Cornwall. 1839 Ure Dict. Arts 1249 The scoriæ..are stamped in the mill, and washed, to concentrate the tin grains; and from this rich mixture, called prillion, smelted by itself, a tin is procured of very inferior quality. 1892 Black's Guide Cornwall 53 The slag is pounded, stamped, and washed, and the tin, or prillion, extracted from it is again smelted. |