(n.) A board with sixty-four squares of alternate color, used for playing checkers or draughts.
Example Sentences:
(1) Strains showing occasional antagonism at a particular proportion of concentrations of the test combination, were found to only be indifferent when the mean index of the fractional inhibition concentration of all checkerboard combinations was calculated.
(2) In Experiment 1, newborns differentiated gray from green, from yellow, and from red: For each of these hues they preferred chromatic-and-gray checkerboards over gray squares matched in mean luminance, even though the luminance of the gray checks was varied systematically over a wide range so as to minimize nonchromatic cues.
(3) Using the quantitative induction assay, the checkerboard method and the disc approximation test, clavulanic acid was shown to act as inducer for all species, whereas sulbactam only induced strains of Providencia stuartii.
(4) The fields formed a checkerboard pattern the element size of which variable.
(5) The new Austrian HTC, partly defined by the 9th International Histocompatibility Workshop (9WS), partly by a checkerboard experiment with internationally well defined reference HTC, type for HLA-Dw1 to -Dw7 and an obviously new, so far unknown HLA-DR2 related HLA-D determinant.
(6) The latency of the first reproducible positive peak in the P-VEP was measured monocularly and binocularly for five sizes of phase alterations checkerboard stimuli (range: 120' to 7.5' check widths).
(7) Induction of chemotaxis of LGL by OAG was time and dose-dependent, as confirmed using checkerboard assays.
(8) The released activity was chemotactic by checkerboard analysis.
(9) Responses were obtained to phase-alternating checkerboards of varying check size.
(10) The MTS task employed randomly generated checkerboard-like stimuli presented on a video display.
(11) The stimulus was a checkerboard phase-reversed at the frequency of 1 Hz, binocularly viewed by the subject.
(12) An operant technique was used to train 10-wk.-old infants on a simultaneous discrimination task with a checkerboard cube and a bull's-eye sphere presented in a stationary form.
(13) The combination of peracetic acid and hydrogen peroxide, tested by a checkerboard micromethod, was found to be synergistic.
(14) Initially the responses to checkerboard flash or reversal stimuli were computer-averaged in order to raise the signal above the noise, primarily the electroencephalogram (EEG).
(15) The patterned stimuli used were checkerboard-like matrices containing, on the average, 4, 36, 100, 400, or 900 bits of information.
(16) This stimulated migration was dose-dependent, and by checkerboard analysis was both chemotactic and chemokinetic.
(17) C-cells divided once during the kagome-checkerboard transformation, while G-cells did not divide.
(18) No synergy or antagonism was found by means of the checkerboard titration method used.
(19) Three background conditions were used: a naturalistic landscape photograph, a blank field, and a repeating checkerboard texture that provides strong contours but no information about visual direction.
(20) Consequently, the pattern electroretinogram to reversing checkerboards has to be regarded as a mixture of both pattern- (contrast) and luminance-specific components.
Checkers
Definition:
(v.) A game, called also daughts, played on a checkerboard by two persons, each having twelve men (counters or checkers) which are moved diagonally. The game is ended when either of the players has lost all his men, or can not move them.
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.