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Longman Dictionary of Contemporary English
overlap
I.verb
EXAMPLES FROM OTHER ENTRIES
Overlap the first strip of cloth with the second by about two inches.
▪ Having merged the two companies, his first task is to eliminate overlapping product lines.
▪ The responsibilities of the two departments overlap in certain areas.
EXAMPLES FROM CORPUS
▪ Arrange the slices of potato carefully in a circular manner, overlapping to cover the bottom of the quiche pan.
▪ Here, two three-panelled screens have been overlapped in the middle.
▪ The band was fairly drunk, and the tunes tended to overlap now.
▪ The dominance hierarchies of primates are often more complex, overlapping networks, rather than the simple ladder of the hen hierarchy.
▪ There was also talk that these daredevils flew with their rotor blades overlapped by several feet, just for fun.
▪ These should fit into the well of the recessed window and have a flange which overlaps the edge of the well.
▪ Thus, as we have seen, the two clauses may overlap.
II.noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
considerable
▪ There is now considerable overlap between what district councils are doing and what regional policy is attempting to achieve.
▪ Instead of hearing eight separate opinions, they melded their ideas into two reports that revealed considerable overlap.
▪ First, there exists a considerable degree of overlap between the various titles.
▪ There was, of course, a considerable overlap between the gymnosperms and angiosperms.
▪ There can be considerable overlap between Byrne's categories.
▪ There is considerable overlap in membership of the Senate and Bar Council.
▪ There will obviously be a considerable overlap of requirements for these categories of musician - real life is never so simple.
▪ Of course, there is considerable overlap between these and both are intrinsically linked to the nature of society.
strong
▪ Useful semantic information therefore facilitates the incidence of meaningful strong overlaps in normal text.
▪ Would strong overlap on its own be sufficient?
▪ Conversely, for window sizes of less than four words, strong overlap alone is the most effective.
EXAMPLES FROM CORPUS
▪ A special overlap and border adhesive, like a thick pva, is made for just this type of situation.
▪ In this area there is overlap with critical analysis and with the general study of sign-systems, as in semiotics.
▪ Line a terrine with bacon rashers leaving an overlap for the top.
▪ More revealing than their obvious differences are those points of overlap between the materialist and the psychoanalytic accounts.
▪ Therefore, although there is a substantial overlap between section 1 and section 15, section 15 is not otiose.
▪ These texts were then processed by the confusion simulator program, and the output used as input to the definitional overlap program.
▪ Thus the figures for the second and third choices had an overlap.
The Collaborative International Dictionary
Overlap

Overlap \O"ver*lap`\, n.

  1. The lapping of one thing over another; as, an overlap of six inches; an overlap of a slate on a roof.

  2. (Geol.) An extension of geological beds above and beyond others, as in a conformable series of beds, when the upper beds extend over a wider space than the lower, either in one or in all directions.

Overlap

Overlap \O`ver*lap"\, v. t.

  1. To lay (one thing) over another; to lap.

  2. To cover part of.

Overlap

Overlap \O`ver*lap"\, v. i.

  1. To be arranged so that a part of one object laying over part of another; as, the boards overlapped at their ends.

  2. To have the ending time of one period or process extend beyond the beginning time of another period or process; as, the lives of Theodore Roosevelt and Franklin Roosevelt overlapped by several decades.

Douglas Harper's Etymology Dictionary
overlap

"to partially extend over," 1726, over- + lap (v.). Related: Overlapped; overlapping.

overlap

1813, from overlap (v.).

Wiktionary
overlap

n. 1 Something that overlaps or is overlapped 2 (context rugby English) a situation in the game where an attacking line has more players in it than the defensive line coming to meet it. The attacking side may ''exploit the overlap'' by using their superior numbers to break the opposition's defensive line. If attackers outnumber defenders by more than one player this is often termed a ''two man overlap'' or ''three man overlap'', etc. If the attacking side fails to break through usually due to poor execution, they are said to ''waste an overlap''. vb. 1 To extend over and partly cover something. 2 To have an area, range, character or function in common. 3 (context mathematics English) Used of sets that have some elements in common.

WordNet
overlap
  1. v. 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"

  3. [also: overlapping, overlapped]

overlap
  1. n. 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]

  4. [also: overlapping, overlapped]

Wikipedia
Overlap (railway signalling)

An overlap in 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

Overlap may mean one of:

  • In music theory, overlap is a synonym for reinterpretation of a chord at the boundary of two musical phrases
  • Overlap (railway signalling), the length of track beyond a stop signal that is proved to be clear of obstructions 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 that affects bond strength

Overlapping can refer to:

  • "Reaching over," term in Schenkerian theory, see Schenkerian analysis#Lines between voices, reaching over
Overlap (term rewriting)

In mathematics, computer science and logic, overlap, as a property of the reduction rules in term rewriting system, describes a situation where a number of different reduction rules specify potentially contradictory ways of reducing a reducible expression (or redex) within a term. More precisely, if a number of different reduction rules share function symbols on the left hand side, overlap can occur. Often we do not consider trivial overlap with a redex and itself.

For example, consider the term rewriting system defined by the reduction rules

ρ  :  f(g(x), y) → y ρ  :  g(x) → f(x, x)

The term f(g(x), y) can be reduced via ρ to yield y, but it can also be reduced via ρ to yield f(f(x, x), y). Note how the redex g(x) is contained in the redex f(g(x), y). The result of reducing different redexes is described in a critical pair—the critical pair arising out of this term rewriting system is (f(f(x, x), y), y).

Overlap may occur with fewer than two reduction rules. Consider the term rewriting system defined by the reduction rule

ρ  :  g(g(x)) → x

The term g(g(g(x))) has overlapping redexes, which can be either applied to the innermost occurrence or to the outermost occurrence of the g(g(x)) term.

Usage examples of "overlap".

The multigenerational ripple effect of prolonged illness, grieving, and accommodating overlap in the Megregian-Johannessen homes, as they do in so many families.

Her morning surgery had spread until it had almost overlapped the early afternoon antenatal clinic, and her list of house-calls had lasted right up to the start of evening surgery.

Jack, leading him to the side, and carefully following the admiring gaze of all eyes on the quarterdeck Stephen perceived an array of overlapping triangular sails along the bowsprit and beyond it, well beyond it.

They belong to the order of bristletails because of the three long filaments at their posterior end, but they get their name from their silvery, overlapping scales.

Saviard informs us that he saw a patient at the Hotel Dieu who had a horn like that of a ram, instead of a nail, on each great toe, the extremities of which were turned to the metatarsus and overlapped the whole of the other toes of each foot.

Laura and I picked milkweed pods and opened them, to feel the scale-shaped seeds overlapping like the skin of a dragon.

Incredibly devious conditions hatch cosmologies of telepathic misdirection - Mind screen movies overlapping make recordings ahead of leave before thinking was recorded - Our most precise data came from U.

Lighter spots showed along the broad chin under a mouthful of wicked incisors that overlapped its upper and lower lips in a cruel, merciless grin.

Too many warring shades of light and darkness overlapped the dark harbor water, turning it alternately into a bright, reflective surface or into a dark and depthless one.

They were mostly among the trees, which gave cover from the foot of their ridge right up to the walls of the chateau, but some had overlapped onto the open flank where newly cut hay lay in sopping rows among the stubble.

The British line looked so very frail, but it overlapped the column and drowned it in fire.

Cat overlapped the front edges and held them while Butterfly wrapped the wide, stiff sash three times around her and tied it in back.

When Hanshiro handed him the rolled paper, he stowed it carefully in the gap where the left side of his jacket overlapped the right.

Their shields overlapped, their lines formed concentric circles about Huy, ringing him in completely, and the plumes of their head-dresses were the foaming crest of a menacing wave about him.

The area where the two overlapped had been colored red, and three small holes had been punched into the design about an inch apart at the left, center and right.