1.  principle of superposition(n = noun.cognition) superposition, superposition principle - (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest;
is a kind of principle, rule

2.  principle of superposition(n = noun.cognition) huygens' principle of superposition - 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; "the principle of superposition is the basis of the wave theory of light"
is a kind of principle, rule

accounting principle, archimedes' principle, basic principle, bitter principle, exclusion principle, first principle, fundamental principle, gestalt principle of organization, guiding principle, huygens' principle of superposition, in principle, indeterminacy principle, judicial principle, le chatelier principle, le chatelier's principle, le chatelier-braun principle, legal principle, life principle, localisation principle, localization principle, mass-action principle, moral principle, pauli exclusion principle, pleasure principle, pleasure-pain principle, pleasure-unpleasure principle, principle, principle of equivalence, principle of liquid displacement, principle of parsimony, principle of relativity, reality principle, superposition, superposition principle, uncertainty principle, vital principle, working principle