a basic truth or law or assumption | (physiology) the principle that specific functions have relatively circumscribed locations in some particular part or organ of the body |
a rule or standard especially of good behavior | |
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature) | |
a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct | |
a rule or law concerning a natural phenomenon or the function of a complex system | |
rule of personal conduct | |