law [AS, lagu] , 1. (in a field of study) a rule, standard, or principle that states a fact or a relationship between factors, such as Dalton’s law regarding partial pressures of gas or Koch’s law regarding the specificity of a pathogen. 2. a rule, principle, or regulation established and promulgated by a government to protect or restrict the people affected. 3. a field of study concerned with such laws. 4. a collected body of the laws of a people, derived from custom and from legislation.
