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Snell's law

(Encyclopedia)Snell's law: see refraction.

poor law

(Encyclopedia)poor law, in English history, legislation relating to public assistance for the poor. Early measures to relieve pauperism were usually designed to suppress vagrancy and begging. In 1601, England passe...

parliamentary law

(Encyclopedia)parliamentary law, rules under which deliberative bodies conduct their proceedings. In English-speaking countries these are based on the practice of the British Parliament, chiefly in the House of Com...

Pascal's law

(Encyclopedia)Pascal's law päskälzˈ [key] [for Blaise Pascal], states that pressure applied to a confined fluid at any point is transmitted undiminished throughout the fluid in all directions and acts upon every...

Salian Law

(Encyclopedia)Salian Law: see Germanic laws.

Beer's law

(Encyclopedia)Beer's law [for August Beer], physical law stating that the quantity of light absorbed by a substance dissolved in a nonabsorbing solvent is directly proportional to the concentration of the substance...

Raoult's law

(Encyclopedia)Raoult's law räo͞olzˈ [key] [for F. M. Raoult, a French physicist and chemist] states that the addition of solute to a liquid lessens the tendency for the liquid to become a solid or a gas, i.e., r...

periodic law

(Encyclopedia)periodic law, statement of a periodic recurrence of chemical and physical properties of the elements when the elements are arranged in order of increasing atomic number. Such an arrangement in the for...

natural law

(Encyclopedia)natural law, theory that some laws are basic and fundamental to human nature and are discoverable by human reason without reference to specific legislative enactments or judicial decisions. Natural la...

Ohm's law

(Encyclopedia)Ohm's law ōm [key] [for G. S. Ohm], law stating that the electric current i flowing through a given resistance r is equal to the applied voltage v divided by the resistance, or i=v/r. For general app...