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free energy

(Encyclopedia)free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical or chemical syst...

nationality

(Encyclopedia)nationality, in political theory, the quality of belonging to a nation, in the sense of a group united by various strong ties. Among the usual ties are membership in the same general community, common...

poster

(Encyclopedia)poster, placard designed to be posted in some public place for purposes of commercial announcement or propaganda. Advertising makes wide use of posters, as do charitable and political organizations. I...

Pritzker Prize

(Encyclopedia)Pritzker Prize, officially The Pritzker Architecture Prize prĭtˈskər [key], award for excellence in architecture, given annually since 1979. Largely modeled on the Nobel Prize, it is the premier ar...

distortion

(Encyclopedia)distortion, in electronics, undesired change in an electric signal waveform as it passes from the input to the output of some system or device. In an audio system, distortion results in poor reproduct...

credit, letter of

(Encyclopedia)credit, letter of, commercial instrument through which a bank or other financial institution instructs a correspondent institution to advance a specified sum of money to the bearer. The document is ca...

conscience

(Encyclopedia)conscience, sense of moral awareness or of right and wrong. The concept has been variously explained by moralists and philosophers. In the history of ethics, the conscience has been looked upon as the...

classical swine fever

(Encyclopedia)classical swine fever or hog cholera, acute, highly infectious viral disease of swine, historically perhaps the most serious disease of swine in North America. It is characterized by dullness and list...

fetish

(Encyclopedia)fetish fĕtˈĭsh [key], inanimate object believed to possess some magical power. The fetish may be a natural thing, such as a stone, a feather, a shell, or the claw of an animal, or it may be artific...

internment

(Encyclopedia)internment, in international law, detention of the nationals or property of an enemy or a belligerent. A belligerent will intern enemy merchant ships or take them as prize, and a neutral should intern...

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