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dye

(Encyclopedia)dye, any substance, natural or synthetic, used to color various materials, especially textiles, leather, and food. Natural dyes are so called because they are obtained from plants (e.g., alizarin, cat...

Federal Trade Commission

(Encyclopedia)Federal Trade Commission (FTC), independent agency of the U.S. government established in 1915 and charged with keeping American business competition free and fair. The FTC has no jurisdiction over ban...

Unitarianism

(Encyclopedia)Unitarianism, in general, the form of Christianity that denies the doctrine of the Trinity, believing that God exists only in one person. While there were previous antitrinitarian movements in the ear...

photographic processing

(Encyclopedia)photographic processing, set of procedures by which the latent, or invisible, image produced when a photographic film is exposed to light is made into a permanent visible image. The negative may b...

Gnosticism

(Encyclopedia)Gnosticism nŏsˈtĭsĭzəm [key], dualistic religious and philosophical movement of the late Hellenistic and early Christian eras. The term designates a wide assortment of sects, numerous by the 2d c...

competition, in economics

(Encyclopedia)competition, in economics, rivalry in supplying or acquiring an economic service or good. Sellers compete with other sellers, and buyers with other buyers. In its perfect form, there is competition am...

Swiss literature

(Encyclopedia)Swiss literature. The literature of Switzerland is written in German, French, Italian, and Romansh, with German predominating. The extensive literature in Romansh dialect (see Rhaeto-Romanic) is littl...

Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

9/11

(Encyclopedia)9/11, the terrorist attacks on Sept. 11, 2001, in the United States, and the associated events and impact of those attacks. The attacks, which were carried out by agents of Al Qaeda (a militant Islami...

criminology

(Encyclopedia)criminology, the study of crime, society's response to it, and its prevention, including examination of the environmental, hereditary, or psychological causes of crime, modes of criminal investigation...