- Making hot; producing or communicating heat. - An apartment in a monastery, warmed and used as a
sitting room. - A hollow sphere of metal, filled with hot water, or a
chafing dish, placed on the altar in cold weather for the priest to
warm his hands with.
- Cleansing agent - Mineral salt used in glass making - Mineral salt used in glass-making - A white or gray crystalline salt, with a slight alkaline
taste, used as a flux, in soldering metals, making enamels, fixing
colors on porcelain, and as a soap. It occurs native in certain mineral
springs, and is made from the boric acid of hot springs in Tuscany. It
was originally obtained from a lake in Thibet, and was sent to Europe
under the name of tincal. Borax is a pyroborate or tetraborate of
sodium, Na2B4O7.10H2O.