| open-hearth | (adj) of or relating to or produced by the open-hearth process, Example: open-hearth steel |
| open-hearth furnace | (n) a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it |
| open-hearth process | (n) a process for making steel using an open-hearth furnace |
| Open-hearth steel | . See under Open. [ Webster 1913 Suppl. ] |
| 平炉 | [ひらろ;へいろ, hiraro ; heiro] (n) open-hearth furnace [Add to Longdo] |
| 平炉法 | [へいろほう, heirohou] (n) open-hearth process [Add to Longdo] |