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buckwheat

(Encyclopedia)buckwheat, common name for certain members of the Polygonaceae, a family of herbs and shrubs found chiefly in north temperate areas and having a characteristic pungent juice containing oxalic acid. Sp...

map projection

(Encyclopedia)map projection, transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative ar...

Erasmus

(Encyclopedia)Erasmus dĕsĭdērˈēəs [key] [Gr. Erasmus, his given name, and Lat., Desiderius=beloved; both are regarded as the equivalent of Dutch Gerard, Erasmus' father's name], 1466?–1536, Dutch humanist, ...

Oglethorpe, James Edward

(Encyclopedia)Oglethorpe, James Edward ōˈgəlthôrp [key], 1696–1785, English general and philanthropist, founder of the American colony of Georgia. He had some military experience before being elected (1722) t...

syllogism

(Encyclopedia)CE5 Categorical syllogism: Venn diagram syllogism, a mode of argument that forms the core of the body of Western logical thought. Aristotle defined syllogistic logic, and his formulations were tho...

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...

Carroll, Lewis

(Encyclopedia)Carroll, Lewis, pseud. of Charles Lutwidge Dodgson, 1832–98, English writer, mathematician, and amateur photographer, b. near Daresbury, Cheshire (now in Halton). Educated at Christ Church College, ...

nomad

(Encyclopedia)nomad nōˈmădˌ [key], one of a group of people without fixed habitation, especially pastoralists. (Some authorities prefer the terms “nonsedentary” or “migratory” rather than “nomadic” ...

willow

(Encyclopedia)willow, common name for some members of the Salicaceae, a family of deciduous trees and shrubs of worldwide distribution, especially abundant from north temperate to arctic areas. The family consists ...

continent

(Encyclopedia)continent, largest unit of landmasses on the earth. The continents include Eurasia (conventionally regarded as two continents, Europe and Asia), Africa, North America, South America, Australia, and An...