What's the difference between cover and liner?

Cover


Definition:

  • (v. t.) To overspread the surface of (one thing) with another; as, to cover wood with paint or lacquer; to cover a table with a cloth.
  • (v. t.) To envelop; to clothe, as with a mantle or cloak.
  • (v. t.) To invest (one's self with something); to bring upon (one's self); as, he covered himself with glory.
  • (v. t.) To hide sight; to conceal; to cloak; as, the enemy were covered from our sight by the woods.
  • (v. t.) To brood or sit on; to incubate.
  • (v. t.) To shelter, as from evil or danger; to protect; to defend; as, the cavalry covered the retreat.
  • (v. t.) To remove from remembrance; to put away; to remit.
  • (v. t.) To extend over; to be sufficient for; to comprehend, include, or embrace; to account for or solve; to counterbalance; as, a mortgage which fully covers a sum loaned on it; a law which covers all possible cases of a crime; receipts than do not cover expenses.
  • (v. t.) To put the usual covering or headdress on.
  • (v. t.) To copulate with (a female); to serve; as, a horse covers a mare; -- said of the male.
  • (n.) Anything which is laid, set, or spread, upon, about, or over, another thing; an envelope; a lid; as, the cover of a book.
  • (n.) Anything which veils or conceals; a screen; disguise; a cloak.
  • (n.) Shelter; protection; as, the troops fought under cover of the batteries; the woods afforded a good cover.
  • (n.) The woods, underbrush, etc., which shelter and conceal game; covert; as, to beat a cover; to ride to cover.
  • (n.) The lap of a slide valve.
  • (n.) A tablecloth, and the other table furniture; esp., the table furniture for the use of one person at a meal; as, covers were laid for fifty guests.
  • (v. i.) To spread a table for a meal; to prepare a banquet.

Example Sentences:

  • (1) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
  • (2) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
  • (3) The surface of all cells was covered by a fuzzy coat consisting of fine hairs or bristles.
  • (4) Five patients have been examined by defecography before and four after closure of a loop ileostomy performed to cover healing of the pouch and ileoanal anastomoses.
  • (5) A failure to reach a solution would potentially leave 200,000 homes without affordable cover, leaving owners unable to sell their properties and potentially exposing them to financial hardship.
  • (6) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
  • (7) But because current donor contributions are not sufficient to cover the thousands of schools in need of security, I will ask in the commons debate that the UK government allocates more.
  • (8) The degree of infection and incidence of different genera covering the same period were identical in both series.
  • (9) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
  • (10) The Sports Network broadcasts live NHL, Nascar, golf and horse racing – having also recently purchased the rights for Formula One – and will show 154 of the 196 games that NBC will cover.
  • (11) As to complications they recorded in one case mucosal bleeding after gastrofiberoptic polypectomy and in one case a covered perforation of the sigmoid at the site of colonoscopic polypectomy.
  • (12) The pressure is ramping up on Asda boss Andy Clarke, who next week will reveal the chain’s sales performance for the quarter covering Christmas.
  • (13) This week MediaGuardian 25, our survey of Britain's most important media companies, covering TV, radio, newspapers, magazines, music and digital, looks at BSkyB.
  • (14) When allegations of systemic doping and cover-ups first emerged in the runup to the 2013 Russian world athletics championships, an IOC spokesman insisted: “Anti-doping measures in Russia have improved significantly over the last five years with an effective, efficient and new laboratory and equipment in Moscow.” London Olympics were sabotaged by Russia’s doping, report says Read more We now know that the head of that lauded Moscow lab, Grigory Rodchenko, admitted to intentionally destroying 1,417 samples in December last year shortly before Wada officials visited.
  • (15) Chapman and the other "illegals" – sleeper agents without diplomatic cover – seem to have done little to harm American national security.
  • (16) This hydrostatic pressure may well be the driving force for creating channels for acid and pepsin to cross the mucus layer covering the mucosal surface.
  • (17) A retrospective study of autopsy-verified fatal pulmonary embolism at a department of infectious diseases was carried out, covering a four-year period (1980-83).
  • (18) Over the same period, breeding in drums dropped from 14%-25% to 4.7%, even though the drums were not treated or covered.
  • (19) The study covered 500 children from Warsaw's primary schools--250 children aged 6-8 years and 250 aged 13-15 years.
  • (20) The smaller interfaces cover about 700 A2 of the subunit surface.

Liner


Definition:

  • (n.) One who lines, as, a liner of shoes.
  • (n.) A vessel belonging to a regular line of packets; also, a line-of-battle ship; a ship of the line.
  • (n.) A thin piece placed between two parts to hold or adjust them, fill a space, etc.; a shim.
  • (n.) A lining within the cylinder, in which the piston works and between which and the outer shell of the cylinder a space is left to form a steam jacket.
  • (n.) A slab on which small pieces of marble, tile, etc., are fastened for grinding.
  • (n.) A ball which, when struck, flies through the air in a nearly straight line not far from the ground.

Example Sentences:

  • (1) In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.
  • (2) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
  • (3) Neither pH nor composition of liner collection cone had an effect on postthaw acrosomal scores, but the time required for a 50% increase in severely damaged acrosomes was greater for spermatozoa collected in polyethylene than in rubber liner collection cones.
  • (4) The protective performance of the helmet shells, impact absorbing liners, and retention systems were evaluated, and the severity of the impacts sustained by the helmets was simulated in the test laboratory.
  • (5) A method has been described that will reduce the incidence of fungal growth and increase the period of resiliency for temporary soft liners.
  • (6) And while Altmejd presents sexual scenes of cartoonish horror and disgust, Lucas's art has embraced lavatorial humour, abjection, self-denigration, the pithy sculptural one-liner and the obscene gesture.
  • (7) When the PD reached 80-90% of the liner vacuum, the load was just sufficient to occlude the teat canal.
  • (8) That rock-star treatment then gets paid off with stale one-liners from the previous decade that sound like they were organized by shuffling notecards.
  • (9) Results from a field trial involving 23 Norwegian dairy herds support the theory that deflector shields inserted into the teatcup liner can reduce the risk of intramammary infection.
  • (10) The use of resilient denture liners in complete denture construction has become increasingly popular for providing comfort for denture wearers.
  • (11) New IMI of cows milked with high and low slip rate milking machine liners were compared.
  • (12) This study examined the physiological effects of performing moderate and high intensity work while wearing fire fighter's turnout gear with either a neoprene or GORE-TEX barrier liner.
  • (13) Teat cup liner slips, manual milking machine adjustments, milk yields, and milking times were recorded during both morning and evening milkings for 8 d on 97 Holstein cows in The Pennsylvania State University dairy herd.
  • (14) This study evaluated the effects of a dentin bonding system and glass ionomer liner on in vitro recurrent caries around resin composite restorations in dentin.
  • (15) It was time,” said Santiago Portal, 71, an engineer who came to Miami from Cuba 50 years ago and who previously considered himself a hard-liner.
  • (16) Updated at 3.33pm BST 2.34pm BST 58th over: England 124-6 (Ali 33, Prior 0) "From the middle of the bat to the edge is not a great distance", says Holding, who can make the Yellow Pages sound the Kama Sutra, only with one-liners.
  • (17) A polyurethane elastomer was microbiologically evaluated in vitro for its potential use in resilient denture liners.
  • (18) The bonding liner containing 2-(dimethylamino)ethyl methacrylate (DMAEMA) as a reducing agent decreased the rate of polymerization in the presence of 4-MET.
  • (19) However, when used in combination with the glass ionomer liner, the resin bonding system allowed very minimal microleakage.
  • (20) Entrusted to Moore, it would have been all over in a quick flurry of one-liners and raised eyebrows.