(n) (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest, Syn. superposition, superposition principle
(n) 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, Syn. Huygens' principle of superposition, Example:the principle of superposition is the basis of the wave theory of light
n. [ Cf. F. superposition. See Super-, and Position. ] The act of superposing, or the state of being superposed; as, the superposition of rocks; the superposition of one plane figure on another, in geometry. [ 1913 Webster ]