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Whitman, Charles Otis

(Encyclopedia)Whitman, Charles Otis, 1842–1910, American zoologist, b. Woodstock, Maine, grad. Bowdoin, 1868, Ph.D. Univ. of Leipzig, 1878. From 1892 he was professor of zoology at the Univ. of Chicago. He founde...

Proconsul, in zoology

(Encyclopedia)Proconsul, extinct group of apes. Proconsul fossils have been discovered in E Africa. It had a mixture of ape and Old World monkey characteristics, and lived from 23 to 25 million years ago. ...

fly, in zoology

(Encyclopedia)fly, name commonly used for any of a variety of winged insects, but properly restricted to members of the order Diptera, the true flies, which includes the housefly, gnat, midge, mosquito, and tsetse ...

bass, in music

(Encyclopedia)bass bās [key], in musical harmony, the part of lowest pitch. The term is used for the lowest-pitched male voice and for instruments of low pitch, such as bass clarinet, bass drum, bassoon (bass oboe...

lake, in dyeing

(Encyclopedia)lake, in dyeing, an insoluble pigment formed by the reaction between an organic dye and a mordant. The color of a lake depends upon the mordant as well as the dye used. Generally, lakes are not as col...

Margaret Mary, Saint

(Encyclopedia)Margaret Mary, Saint, 1647–90, French nun of the Visitation Convent of Paray-le-Monial, Saône-et-Loire dept., France. Her family name was Alacoque. Jesus appeared to her in a number of visions. In ...

naturalism, in art

(Encyclopedia)naturalism, in art, a tendency toward strict adherence to the physical appearance of nature and rejection of ideal forms. Artists as diverse as Velázquez, J. F. Millet, and Monet, have followed natur...

field, in algebra

(Encyclopedia)field, in algebra, set of elements (usually numbers) that may be combined under the operations of addition and multiplication so that it constitutes an additive group, the nonzero elements form a mult...

root, in mathematics

(Encyclopedia)root, in mathematics, number or quantity r for which an equation f(r)=0 holds true, where f is some function. If f is a polynomial, r is called a root of f; for example, r=3 and r=−4 are roots of th...

ornament, in architecture

(Encyclopedia)ornament, in architecture, decorative detail enhancing structures. Structural ornament, an integral part of the framework, includes the shaping and placement of the buttress, cornice, molding, ceiling...