Columbia Encyclopedia

Search results

500 results found

commutative law

(Encyclopedia)commutative law, in mathematics, law holding that for a given binary operation (combining two quantities) the order of the quantities is arbitrary; e.g., in addition, the numbers 2 and 5 can be combin...

Dalton's law

(Encyclopedia)Dalton's law [for John Dalton], physical law that states that the total pressure exerted by a homogeneous mixture of gases is equal to the sum of the partial pressures of the individual gases. The par...

Coulomb's law

(Encyclopedia)Coulomb's law ko͞oˈlŏmz [key], in physics, law stating that the electrostatic force between two charged bodies is proportional to the product of the amount of charge on the bodies divided by the sq...

commercial law

(Encyclopedia)commercial law, the laws that govern business transactions, except those relating to the maritime transportation of goods (see maritime law). Commercial law developed as a distinct body of jurispruden...

civil law

(Encyclopedia)civil law, as used in this article, a modern legal system based upon Roman law, as distinguished from common law. Civil law is based on written legal codes, a hallmark of the Roman legal system, in wh...

Faraday's law

(Encyclopedia)Faraday's law, physical law stating that the number of moles of substance produced at an electrode during electrolysis is directly proportional to the number of moles of electrons transferred at that ...

international law

(Encyclopedia)international law, body of rules considered legally binding in the relations between national states, also known as the law of nations. It is sometimes called public international law in contrast to p...

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 ...

Henry's law

(Encyclopedia)Henry's law, chemical law stating that the amount of a gas that dissolves in a liquid is proportional to the partial pressure of the gas over the liquid, provided no chemical reaction takes place betw...

Browse by Subject