sherardizing

verb (used with object), sher·ard·ized, sher·ard·iz·ing. Metallurgy.

1. to coat (steel) with a thin cladding of zinc by heating in a mixture of sand and powdered zinc.

verb

1. metallurgy to coat (iron or steel) with zinc by heating in a container with zinc dust or (of iron or steel) to be coated in this way