untin

present singular third person untins · participle present untinning · participle past untinned · past untinned

1. transitiveTo remove the tin (metal) from.

   1 more example

   As regards the treatment of slimes, I think nothing so effective as the frame for untinning the stuff which is reduced to a pulp; hence the difficulty in dealing with it, and the great loss sustained by miners, whose lost tin is reproduced by the tin streamers or squatters who line the sides of the Red and other rivers.

   1884, Capt. W. Trague, “Treatment of Tin Ores from the Shaft's Mouth to the Smelting-House”, in Proceedings of the Mining Institute of Cornwall, volume 1, page 159