What's the difference between check and checker?

Check


Definition:

  • (n.) A word of warning denoting that the king is in danger; such a menace of a player's king by an adversary's move as would, if it were any other piece, expose it to immediate capture. A king so menaced is said to be in check, and must be made safe at the next move.
  • (n.) A condition of interrupted or impeded progress; arrest; stop; delay; as, to hold an enemy in check.
  • (n.) Whatever arrests progress, or limits action; an obstacle, guard, restraint, or rebuff.
  • (n.) A mark, certificate, or token, by which, errors may be prevented, or a thing or person may be identified; as, checks placed against items in an account; a check given for baggage; a return check on a railroad.
  • (n.) A written order directing a bank or banker to pay money as therein stated. See Bank check, below.
  • (n.) A woven or painted design in squares resembling the patten of a checkerboard; one of the squares of such a design; also, cloth having such a figure.
  • (n.) The forsaking by a hawk of its proper game to follow other birds.
  • (n.) Small chick or crack.
  • (v. t.) To make a move which puts an adversary's piece, esp. his king, in check; to put in check.
  • (v. t.) To put a sudden restraint upon; to stop temporarily; to hinder; to repress; to curb.
  • (v. t.) To verify, to guard, to make secure, by means of a mark, token, or other check; to distinguish by a check; to put a mark against (an item) after comparing with an original or a counterpart in order to secure accuracy; as, to check an account; to check baggage.
  • (v. t.) To chide, rebuke, or reprove.
  • (v. t.) To slack or ease off, as a brace which is too stiffly extended.
  • (v. t.) To make checks or chinks in; to cause to crack; as, the sun checks timber.
  • (v. i.) To make a stop; to pause; -- with at.
  • (v. i.) To clash or interfere.
  • (v. i.) To act as a curb or restraint.
  • (v. i.) To crack or gape open, as wood in drying; or to crack in small checks, as varnish, paint, etc.
  • (v. i.) To turn, when in pursuit of proper game, and fly after other birds.
  • (a.) Checkered; designed in checks.

Example Sentences:

  • (1) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (2) 119 representatives of this population were checked in their sexual contacts; of these, 13 persons proved to be infected with HIV.
  • (3) In 14 of the patients the imaging results were checked against the histological findings of a subsequent thymectomy, which revealed four thymomas and (with the exception of one normal thymus) hyperplastic changes in all the others.
  • (4) The results indicated that 48% of the sample either regularly checked their own skin or had it checked by another person (such as a spouse), and 17% had been screened by a general practitioner in the preceding 12 months.
  • (5) The government has blamed a clumsily worded press release for the furore, denying there would be random checks of the public.
  • (6) Photosynthetic activity of the cells was checked by placing the cell evenly illuminated in a (14)CO(2) atmosphere.
  • (7) The system of automated diagnosis makes it possible to significantly increase the quality and efficacy of wide-scale prophylactic check-ups of the population.
  • (8) I'll admit to not having realised that more than £100bn would be committed to Trident – I half-remembered reading that it would cost £20bn, so went online, only to discover that the higher figure checks out .
  • (9) After a four-week period on a placebo, hypertensive smokers were treated with slow-release nicardipine 40 mg twice daily for six months and were checked at the end of the placebo period, after the first dose of nicardipine and at the end of six months of therapy.
  • (10) Adverse events and life status were checked at regular intervals.
  • (11) His bracelets and his hair, neatly gathered in a colourful elasticated band, contrast with his unflashy day-to-day uniform of checked shirts, jeans or cheap chinos and trainers.
  • (12) Other details showed the wrong patient undergoing a heart procedure, and the wrong patient given an invasive colonoscopy to check their bowel.
  • (13) Also remember that each time you apply for a loan your credit record is checked, which will leave a footprint of the search.
  • (14) Check out the latest bill from Russia's parliament, the Duma: its aim is to ban the "unnecessary" usage of foreign words (in cases where there is a pre-existing Russian counterpart).
  • (15) Once outside the body they can be purified, expanded in culture, and checked via genome sequencing to ensure the editing has been successful.
  • (16) Indeed, the geographical nature of the division also keeps a check on the club's carbon footprint – Dartford rarely have to travel far outside the M25, with the trips to Bognor Regis and Margate about as distant as they get.
  • (17) No sick or dead monkeys were found in all the forests checked around Entebbe area during the epizootic.
  • (18) I tweet, check Facebook, chat with friends, keep in touch with colleagues, check in using Foursquare, use it to check work emails from home and organise notes using Evernote.
  • (19) At the centre of the Zyed and Bouna deaths is the continuing issue of police controls, stop and searches and identity checks.
  • (20) And all senior management will be required to drive Toyota vehicles and check where the problems lie.

Checker


Definition:

  • (v. t.) One who checks.
  • (n.) To mark with small squares like a checkerboard, as by crossing stripes of different colors.
  • (n.) To variegate or diversify with different qualities, colors, scenes, or events; esp., to subject to frequent alternations of prosperity and adversity.
  • (v. t.) A piece in the game of draughts or checkers.
  • (v. t.) A pattern in checks; a single check.
  • (v. t.) Checkerwork.

Example Sentences:

  • (1) • You can make a quick search for outstanding NS&I premium bond prizes online using the prize checker .
  • (2) in normal subjects indicates that the better results obtained with reversible checker-board stimulation can be attributed to greater reproductibility of the response.
  • (3) Laura Minnett is a 'quality checker' with the charity, Choice Support.
  • (4) The current study aimed to examine sociodemographic and clinical variables between washer and checker subgroups of obsessive compulsive disorder.
  • (5) Field and Barros were said to have put every figure in this report through a battery of fact checkers.
  • (6) Stuart, our guide from Wilderness Scotland, is easy-going and unassuming, and also a font of knowledge and a meticulous safety checker.
  • (7) This study was conducted to determine the effectiveness of a silicone disclosing medium, G-C Fit-Checker, as an aid in the improvement of marginal integrity.
  • (8) Terkel won a Pulitzer prize for these stories, like that of Hobart Foote, or Babe Secoli the supermarket checker, who described customers engaged in something less like shopping than dodgem cars with trolleys, and garbage man Nick Salerno, discoursing on his long experience of how people pack their rubbish: "You get just like the milkman's horse — used to it."
  • (9) These conditions consisted of (a) playing Chinese checkers underwater, (b) swimming with eyes open underwater, (c) viewing a square underwater, and (d) an air control.
  • (10) In 21 patients with parkinsonism and 20 healthy controls visual potentials evoked with checker pattern used as an alternating stimulus were studied.
  • (11) The latency of the first major positive component (P100) of VECPs was measured using checker board pattern stimuli under varying conditions of spatial frequency (112', 56', 28', 14', 7').
  • (12) It was meant to be a quick knock-off of a novelty dance fad single, in the vein of Chubby Checker's It's Pony Time or Dee Dee Sharp's Do the Bird, and on one level, a quick knock-off was clearly what it was: Reed couldn't even be bothered to write his own riff, pinching it from the Crystals' 1963 smash Then He Kissed Me .
  • (13) Checkers' errors per tray did not change significantly from control to experimental period when data for the two periods were compared.
  • (14) Thus, the notion that compulsive checkers as opposed to compulsive cleaners emerge from two different parental rearing patterns was not sustained in this instance.
  • (15) Of 412 subjects seen during 1975-1984, there were 123 washers, 70 checkers and 89 washers and checkers (mixed group).
  • (16) American Bandstand provided the first national television appearances for the likes of Chuck Berry, Jerry Lee Lewis, Buddy Holly and Chubby Checker.
  • (17) Rudd is asked why he persists in using the $70bn Coalition cuts figure when the fact checkers say it's wrong.
  • (18) Combined actions of aspoxicillin (ASPC) with several aminoglycosides (AGs) against various Pseudomonas aeruginosa strains were examined using the checker board method and experimental infection of mice, and the actions were compared with those of piperacillin (PIPC) and mezlocillin (MZPC).
  • (19) As the writer Clay Shirky put it, Democrats who respond to Trump by patiently noting his contradictions and untruths are making a category error: “We’ve brought fact-checkers to a culture war”.
  • (20) Station operator and checker accuracy were measured in terms of ratio of error-free trays, errors per tray, and errors to possibility of errors per tray.