Also found in: Thesaurus, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||harmonic law - a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.