BLOOM, the blossom of flowering plants (from Ang.-Sax. bloma, a flower), or the powdery film on the skin of fresh-picked fruit ; hence applied to the surface of newly minted coins or to a cloudy appearance on the varnish of painting due to moisture.
In metallurgy, a term used of the rough billets of iron and steel, which have undergone a preliminary hammering or rolling, and are ready for further working. See IRON AND STEEL.