D defs.my
Entry 1 sense Webster, 1913

Acid process

· Ac·id proc·ess · IPA
01 That variety of either the Bessemer or the open-hearth process in which the converter or hearth is lined with acid, that is, highly siliceo…
  1. 1.
    That variety of either the Bessemer or the open-hearth process in which the converter or hearth is lined with acid, that is, highly siliceous, material. Opposed to basic process.(Iron Metal.)