| 释义 |
Back hearth back hearth[′bak ‚härth] (building construction) That part of the hearth (or floor) which is contained within the fireplace itself. Also known as inner hearth. Back hearthThe fireproof floor under the grate area upon which a fire is built.back hearth, inner hearthThat part of the hearth, or floor, which is contained within the jambs of the fireplace. |