AskDefine | Define overlap

Dictionary Definition

overlap

Noun

1 a representation of common ground between theories or phenomena; "there was no overlap between their proposals" [syn: convergence, intersection]
2 the property of partial coincidence in time
3 a flap that lies over another part; "the lap of the shingles should be at least ten inches" [syn: lap]

Verb

1 coincide partially or wholly; "Our vacations overlap"
2 extend over and cover a part of; "The roofs of the houses overlap in this crowded city" [also: overlapping, overlapped]

User Contributed Dictionary

English

Etymology

over- + lap

Verb

  1. To extend over and partly cover something
    • the mousemat overlapped the edge of the desk
  2. To have an area, range, character or function in common
    • The two maps overlapped at the east and west edges
  3. Used of sets that have some elements in common
    • The set (all men) overlaps the set (vegetarians)

Translations

To extend over and partly cover something
To have an area, range, character or function in common
  • Dutch: overlappen
Used of sets that have some elements in common
  • Dutch: overlappen
  • French: englober

Noun

  1. Something that overlaps or is overlapped

Translations

Extensive Definition

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 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
  • In sailing, overlap happens when two or more boats/yachts are not clear astern and not clear ahead.
  • In dramatic speech, overlap means to start saying something, then have someone else start saying the same sentence but starting at a different time.

Synonyms, Antonyms and Related Words

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