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home economics

(Encyclopedia) home economics, study of homemaking and the relation of the home to the community. Formerly limited to problems of food (nutrition and cookery), clothing, sewing, textiles, household…

Jaspers, Karl

(Encyclopedia) Jaspers, KarlJaspers, Karlkärl yäsˈpərs [key], 1883–1969, German philosopher and psychopathologist, b. Oldenburg. After receiving his medical degree (1909) he became (1914) lecturer in…

MacMillan, Donald Baxter

(Encyclopedia) MacMillan, Donald Baxter, 1874–1970, American arctic explorer, b. Provincetown, Mass., grad. Bowdoin College, 1898, and studied at Harvard. After a decade of teaching, he went on the…

magnitude

(Encyclopedia) magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. a.d.), all visible with the unaided eye, were ranked on…

Mencius

(Encyclopedia) MenciusMenciusmĕnˈshəs [key], Mandarin Meng-tzu, 371?–288? b.c., Chinese Confucian philosopher. The principal source for Mencius' life is his own writings. He was born in the ancient…

paramecium

(Encyclopedia) parameciumparameciumparəmēˈsĭəm [key], unicellular organism of the genus Paramecium, of the ciliate phylum Ciliophora found in freshwater throughout the world. Like other protozoans,…

chain

(Encyclopedia) chain, flexible series of connected links used in various ways, especially for the transmission of motive power, for hoisting (see pulley), and for securing or fastening. Commonly,…

Ectoprocta

(Encyclopedia) CE5 Bugula, a moss animal, representative of the phylum Ectoprocta EctoproctaEctoproctaĕkˌtəprŏkˈtə [key], phylum of sessile, colonial aquatic animals (commonly known as moss…

Five-Year Plan

(Encyclopedia) Five-Year Plan, Soviet economic practice of planning to augment agricultural and industrial output by designated quotas for a limited period of usually five years. Nations other than…

heraldry

(Encyclopedia) heraldry, system in which inherited symbols, or devices, called charges are displayed on a shield, or escutcheon, for the purpose of identifying individuals or families. In the Middle…