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3D printer

(Encyclopedia)3D printer, computerized device that produces a three-dimensional object by creating it as a series of thin layers. The object is created from a model stored in computer-aided design file; the model i...

tallage

(Encyclopedia)tallage tălˈĭj [key], Fr. taille, a type of feudal tax. In its origins tallage is not clearly distinguishable from aids (a type of feudal due), and in Germany it never developed beyond an occasiona...

Rotary International

(Encyclopedia)Rotary International, organization of business and professional people, founded (1905) by Paul Percy Harris, a Chicago lawyer. Beginning with one club in Chicago, it spread to other cities, and in 191...

wake

(Encyclopedia)wake, watch kept over a dead body, usually during the night preceding burial. Ancient peoples in various parts of the world observed the custom. As an ancient ritual, it was rooted in a concern that n...

Bhaskara

(Encyclopedia)Bhaskara əchärˈyə [key] [Skt.,=learned], b. 1114, Indian mathematician and astronomer. According to the custom, he put his learned treatises into verse, adding, however, explanations in prose. His...

folkways

(Encyclopedia)folkways, term coined by William Graham Sumner in his treatise Folkways (1906) to denote those group habits that are common to a society or culture and are usually called customs. The word provided a ...

chewing gum

(Encyclopedia)chewing gum, confection consisting usually of chicle, flavorings, and corn syrup and sugar (or artificial sweeteners). Prehistoric people are believed to have chewed resins. Spruce resin was chewed as...

scalping

(Encyclopedia)scalping, taking the scalp of an enemy. The custom, comparable to head-hunting, was formerly practiced in Europe and Asia (Herodotus describes its practice by the Scythians, for example), but it is ge...

serjeanty

(Encyclopedia)serjeanty or sergeanty both: särˈjĕntē [key], a type of tenure in English feudalism in which the tenant held his lands from the king or overlord in return for the performance of some personal, oft...

Thomasius, Christian

(Encyclopedia)Thomasius, Christian krĭsˈtyän tōmäˈzyo͝os [key], 1655–1728, German jurist and philosopher. A lawyer, he lectured on natural law at Leipzig; he broke with the traditional custom of lecturing ...