were derived
71Hindu chronology — The subject of Hindu chronology divides naturally into three parts: the calendar, the eras, and other reckonings. The Calendar The Hindus have had, from very ancient times, the system of lunisolar cycles, made by the combination of solar years,… …
72crime — crimeless, adj. crimelessness, n. /kruym/, n. 1. an action or an instance of negligence that is deemed injurious to the public welfare or morals or to the interests of the state and that is legally prohibited. 2. criminal activity and those… …
73Latin American dance — Introduction dance traditions of Mexico, Central America, and the portions of South America and the Caribbean colonized by the Spanish and the Portuguese. These traditions reflect the distinctive mixtures of indigenous (Amerindian), African, and …
74petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
75Halakha — Part of a series on …
76Roman naming conventions — By the Republican era and throughout the Imperial era, a name in ancient Rome for a male citizen consisted of three parts (tria nomina): praenomen (given name), nomen (or nomen gentile or simply gentilicium, being the name of the gens or clan)… …
77CIE 1931 color space — In the study of color perception, one of the first mathematically defined color spaces is the CIE 1931 XYZ color space, created by the International Commission on Illumination (CIE) in 1931.[1][2] The CIE XYZ color space was derived from a series …
78Anthropic units — The ability to characterize, quantify, and measure objects in the physical world is an essential milestone towards the development of complex human civilizations. A vast number of measurement standards have evolved over time, and these standards… …
79United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
80Natural dye — Skeins of wool colored with natural plant dyes. Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources – roots, berries, bark, leaves, and …
