Columbia Encyclopedia

(Encyclopedia) citric acid or 2-hydroxy-1,2,3-propanetricarboxylic acid, HO2CCH2C(OH)(CO2H)CH2CO2H, an organic carboxylic acid containing three carboxyl groups; it is a solid at room temperature, melts at 153℃, an...

(Encyclopedia) foie gras fwä grä [key] [Fr.,=fat liver], livers of artificially fattened geese. Ducks and chickens are also sometimes used in the making of foie gras. The birds, kept in close coops to prevent exer...

(Encyclopedia) atrium āˈtrēəm [key], term for an interior court in Roman domestic architecture and also for a type of entrance court in early Christian churches. The Roman atrium was an unroofed or partially roo...

(Encyclopedia) Fisher, M. F. K. (Mary Frances Kennedy Fisher), 1908–92, American culinary writer, b. Albion, Mich. Raised in California, Fisher lived in France for three years, where she was inspired by Brillat-Sa...

(Encyclopedia) jelly and jam, gelatinous, sweet food prepared by preserving fresh fruits. Since most fresh fruits contain about 80% water and from 10% to 15% sugar, they are subject to fermentation. They may be pres...

(Encyclopedia) sweetener, artificial, substance used as a low-calorie sugar substitute. Saccharin, cyclamates, and aspartame have been the most commonly used artificial sweeteners. Saccharin, a coal-tar derivative t...

(Encyclopedia) trichina trĭkīˈnə [key], common name for species of roundworm of the phylum Nematoda. The species Trichinella spiralis is an important parasite, occurring in rats, pigs, and man, and is responsibl...

(Encyclopedia) Passover, in Judaism, one of the most important and elaborate of religious festivals. Its celebration begins on the evening of the 14th of Nisan (first month of the religious calendar, corresponding t...

(Encyclopedia) book clubs. As a phenomenon in American cultural life, book clubs have made an impact in two periods of history. During the 18th and 19th cent. book clubs were formed for the purposes of discussion an...

(Encyclopedia) breakfast cereal, a food made from grain, commonly eaten in the morning. The oldest type of cereal, known as porridge or gruel, requires cooking in water or milk. The modern breakfast cereals, however...