acid process

1 definition found

acid process - Collaborative International Dictionary of English v.0.48 :

  Acid process \Ac"id proc"ess\ (Iron Metal.)
     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
     .
     [Webster 1913 Suppl.]