harmonic_law
1. [ noun ] (physics,astronomy) 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
Synonyms: Kepler's_third_law
Related terms: Kepler's_law
Similar spelling:   harmonica
  harmonical
  harmonics
  harmonic_mean
  harmonic_motion
  harmonically
  harmonize
  harmonium
  harmonise
  harmonizer
  harmonized
  harmoniser
  harmonised
  harmonious
  harmonizable
  harmoniously