DOUBLE a.
- Double salt. (Chem.) (a) A mixed salt of any polybasic acid which has been saturated by different bases or basic radicals, as the double carbonate of sodium and potassium, NaKCO3.6H2O. (b) A molecular combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of p…
DUTCH a.
nd. -- Dutch concert, a so-called concert in which all the singers sing at the same time different songs. [Slang] -- Dutch courage, the courage of partial intoxication. [Slang] Marryat. -- Dutch door, a door divided into two parts, horizontally, so arranged that the lower part can be shut and fastened, while the uppe…