Lapping

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Dictionary Meaning and Definition on 'Lapping'

Lapping Meaning and Definition from WordNet (r) 2.0
    lap n
  1. the upper side of the thighs of a seated person; "he picked up the little girl and plopped her down in his lap"
  2. an area of control or responsibility; "the job fell right in my lap"
  3. the part of a piece of clothing that covers the thighs; "his lap was covered with food stains" [syn: lap covering]
  4. a flap that lies over another part; "the lap of the shingles should be at least ten inches" [syn: overlap]
  5. movement once around a course; "he drove an extra lap just for insurance" [syn: circle, circuit]
  6. touching with the tongue; "the dog's laps were warm and wet" [syn: lick] v
  7. lie partly over or alongside of something or of one another
  8. pass the tongue over; "the dog licked her hand" [syn: lick]
  9. move with or cause to move with a whistling or hissing sound; "The bubbles swoshed around in the glass"; "The curtain swooshed open" [syn: swish, swosh, swoosh]
  10. take up with the tongue; "The cat lapped up the milk"; "the cub licked the milk from its mother's breast" [syn: lap up, lick]
  11. wash or flow against; "the waves laved the shore" [syn: lave, wash] [also: lapping, lapped]
Lapping Meaning and Definition from WordNet (r) 2.0
    lapping n : covering with a design in which one element covers a part of another (as with tiles or shingles) [syn: imbrication, overlapping]
Lapping Meaning and Definition from WordNet (r) 2.0
    lapping See lap
Lapping Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Lap \Lap\, v. t. [imp. & p. p. Lapped; p. pr. & vb. n. Lapping.]
  1. To rest or recline in a lap, or as in a lap.
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Wikipedia Meaning and Definition on 'Lapping'


Lapping is a machining operation, in which two surfaces are rubbed together with an abrasive between them, by hand movement or by way of a machine.

This can take two forms. The first type of lapping (traditionally called grinding), typically involves rubbing a brittle material such as glass against a surface such as iron or glass itself (also known as the "lap" or grinding tool) with an abrasive such as aluminum oxide, jeweller's rouge, optician's rouge, emery, silicon carbide, diamond, etc., in between them. This produces microscopic conchoidal fractures as the abrasive rolls about between the two surfaces and removes material from both.

The other form of lapping involves a softer material such as pitch or a ceramic for the lap, which is "charged" with the abrasive. The lap is then used to cut a harder material—the workpiece. The abrasive embeds within the softer material which holds it and permits it to score across and cut the harder material. Taken to the finer limit, this will produce a polished surface such as with a polishing cloth on an automobile, or a polishing cloth or polishing pitch upon glass or steel.

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Words and phrases related to 'Lapping'


'Lapping' in famous quotation sentence


* If we don't want to see the map of Central America covered in a sea of red, eventually lapping at our own borders, we must act now. - Ronald Reagan


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Lapping Sample Sentences in News


  • iPad? More like iFAD: Now we know why Apple ran off to IBM
    But never fear fanbois, you're still lapping up iPhones, Macs Apple talked up strong Mac and iOS device sales in its latest quarter – but the real news is a slump in iPad numbers.… Read more on this news related to 'Lapping'
  • AU CONTRAIRE - Liow is lapping it up! New transport minister thrust into 'unwelcomed' spotlight over MH17
    KUALA LUMPUR - Three weeks into his job as Malaysia’s transport minister, Datuk Seri Liow Tiong Lai was in Beijing to meet Chinese officials about… Read more on this news related to 'Lapping'
  • Motor racing-Hamilton feared for safety of marshals
    By Alan Baldwin HOCKENHEIM, Germany, July 20 (Reuters) - Lewis Hamilton said he had feared for the safety of German Grand Prix marshals who ran across the track during the race to push clear Adrian Sutil's stranded Sauber while other cars were lapping at speed. The Mercedes driver, who finished third in a race won by team mate Nico Rosberg, told reporters he h Read more on this news related to 'Lapping'

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