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transpiration

(Encyclopedia)transpiration, in botany, the loss of water by evaporation in terrestrial plants. Some evaporation occurs directly through the exposed walls of surface cells, but the greatest amount takes place throu...

sweating system

(Encyclopedia)sweating system, method of exploiting labor by supplying materials to workers and paying by the piece (see piecework) for work done on those materials in the workers' homes or in small workshops (swea...

Lange, Dorothea

(Encyclopedia)Lange, Dorothea, 1895–1965, American photographer, b. Hoboken, N.J. as Dorothea Nutzhorn, adopted her mother's maiden name in her twenties. From 1916 until 1932, Lange operated a portrait studio in ...

Kirchner, Ernst Ludwig

(Encyclopedia)Kirchner, Ernst Ludwig ĕrnst lo͝otˈvĭkh kĭrkhˈnər [key], 1880–1938, German expressionist painter and graphic artist. He studied art in Munich and was greatly impressed by the neoimpressionist...

Stanton, Elizabeth Cady

(Encyclopedia)Stanton, Elizabeth Cady, 1815–1902, American reformer, a leader of the woman-suffrage movement, b. Johnstown, N.Y. She was educated at the Troy Female Seminary (now Emma Willard School) in Troy, N.Y...

lard

(Encyclopedia)lard, hog's fat melted and strained from the tissues, an important byproduct of the meatpacking industry. The highest grade, leaf lard, is from the fat around the kidneys; the next best is from the ba...

Kamerlingh Onnes, Heike

(Encyclopedia)Kamerlingh Onnes, Heike hīˈkə käˈmərlĭng ônˈəs [key], 1853–1926, Dutch physicist. He was, from 1882, professor of physics at the Univ. of Leiden. He made important studies of the propertie...

heath, tract of open land

(Encyclopedia)heath, tract of open land characterized by a few scattered trees, abundant moss cover, and numerous low shrubs, principally of the heath family (see heath, in botany). In high-latitude regions with mi...

A

(Encyclopedia)A, first letter of the alphabet. A is a usual symbol for a low central vowel, as in father; the English long a (ā) is pronounced as a diphthong of ĕ and y. The corresponding letter of the Greek alph...

hotbed

(Encyclopedia)hotbed, low, glass-covered frame structure for starting tender plants. It differs from a cold frame only in that the soil is heated—either artificially as by underground electric wiring or steampipe...