Overlap may mean one of:

  • In music theory, overlap is a synonym for reinterpretation of a chord at the boundary of two musical phrases.
  • In railway signalling, an Overlap (railway signalling) is the length of track beyond a stop signal that is proved to be clear of vehicles in the controls of the previous signal, as a safety margin.
  • Overlap (road), a place where multiple road numbers overlap.
  • Overlap add, an efficient convolution method using FFT.
  • Overlap coefficient, a similarity measure between sets.
  • Orbital overlap, important concept in quantum mechanics describing a type of orbital interaction. Overlap in molecules affects bond strength.

Famous quotes containing the word overlap:

    A lady is nothing very specific. One man’s lady is another man’s woman; sometimes, one man’s lady is another man’s wife. Definitions overlap but they almost never coincide.
    Russell Lynes (b. 1910)