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ious means, -- as by pancreatic digestion, by putrefaction as of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative. [Written also tyrosine.]

-- Vacuum pan (Technol.), a kind of large closed metallic retort used in sugar making for boiling down sirup. It is so connected with an exhausting apparatus that a partial vacuum is formed within. This allows the evaporation and concentration to take place at a lower atmospheric pressure and hence also at a lower temp…

A white sauce or stock made by boiling down ham, veal, beef, fowl, bouillon, etc., then adding soup stock, seasoning, vegetables, and thickening, and again boiling and straining.

Thick sirup made by boiling down the sap of the sugar maple, and then cooling. [Local U.S.] Japanese wax, a waxlike substance made in Japan from the berries of certain species of Rhus, esp. R. succedanea. -- Mineral wax. (Min.) See Wax, 2 (f), above. -- Wax cloth. See Waxed cloth, under Waxed. -- Wax end. See Waxed…

illions. It was discovered by Ramsay and Travers in 1898. It can be condensed to a liquid boiling at -109º C., and to a solid which volatilizes without melting. Symbol Xe or X; atomic weight 130.2.