FURNACE n. 2 definitions
closed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, for warming a house, for baking pottery, etc.; as, an iron furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.
GUM n.
actaceæ, etc.), and affording passage for gum. -- Gum pot, a varnish maker's utensil for melting gum and mixing other ingredients. -- Gum resin, the milky juice of a plant solidified by exposure to air; one of certain inspissated saps, mixtures of, or having properties of, gum and resin; a resin containing more or le…
HEARTH n.
The floor of a furnace, on which the material to be heated lies, or the lowest part of a melting furnace, into which the melted material settles. Hearth ends (Metal.), fragments of lead ore ejected from the furnace by the blast. -- Hearth money, Hearth penny Etym: [AS. heoredhpening], a tax formerly laid in England on…