principle_of_superposition
1. [ noun ] (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest
Synonyms: superposition_principle superposition
Related terms: principle geology
2. [ noun ] (physics) the displacement of any point due to the superposition of wave systems is equal to the sum of the displacements of the individual waves at that point
Synonyms: huygens'_principle_of_superposition
Examples:

"the principle of superposition is the basis of the wave theory of light"

Related terms: principle
Similar spelling:   principle_of_relativity
  principle_of_equivalence