Superposition

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Superposition \Su`per*po*si"tion\, 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]



From WordNet (r) 2.0 [wn]:

  superposition
       n 1: (geology) the deposition of one geological stratum on
            another
       2: (geology) the principle that in a series of stratified
          sedimentary rocks the lowest stratum is the oldest [syn: {principle
          of superposition}, {superposition principle}]
       3: (geometry) the placement of one object ideally in the
          position of another one in order to show that the two
          coincide
       4: the placement of one thing on top of another