Columbia Encyclopedia

Search results

500 results found

biogenetic law

(Encyclopedia)biogenetic law, in biology, a law stating that the earlier stages of embryos of species advanced in the evolutionary process, such as humans, resemble the embryos of ancestral species, such as fish. T...

Bode's law

(Encyclopedia)Bode's law [for J. E. Bode], also known as Titius's law or the Titius-Bode law, empirical relationship between the mean distances of the planets from the sun. If each number in the series 0, 3, 6, 12,...

administrative law

(Encyclopedia)administrative law, law governing the powers and processes of administrative agencies. The term is sometimes used also of law (i.e., rules, regulations) developed by agencies in the course of their op...

Snell's law

(Encyclopedia)Snell's law: see refraction.

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...

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...

space law

(Encyclopedia)space law, agreements governing the exploration and use of outer space, developed since the first launching (1957) by humans of a satellite into space. Space law, an aspect of international law, has g...

Salian Law

(Encyclopedia)Salian Law: see Germanic laws.

canon law

(Encyclopedia)canon law, in the Roman Catholic Church, the body of law based on the legislation of the councils (both ecumenical and local) and the popes, as well as the bishops (for diocesan matters). It is the la...

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...