A solid block of more or less pure metal, often but not necessarily bricklike in shape and trapezoidal in cross-section, the result of pouring out and cooling molten metal, often immediately after smelting from raw ore or alloying from constituents.
To form (scraps of metal) into ingots.
Rock or other material that contains valuable or utilitarian materials; primarily a rock containing metals or gems for which it is typically mined and processed.