(n.) A member of the solar system which usually moves in an elongated orbit, approaching very near to the sun in its perihelion, and receding to a very great distance from it at its aphelion. A comet commonly consists of three parts: the nucleus, the envelope, or coma, and the tail; but one or more of these parts is frequently wanting. See Illustration in Appendix.
Example Sentences:
(1) Comet Hale-Bopp graced the night skies in 1997 and was easily visible to the naked eye for months.
(2) Walden said the comparison with Comet was “ridiculous”.
(3) Its investments have included the airline Monarch, which has returned to profit after nearly collapsing a year ago, Morrisons convenience stores , and the now defunct Comet electrical goods chain.
(4) The lawyers have passed on the details of a tribunal judgment, published this month, which states that Chris Farrington, one of three Deloitte administrators, signed a letter to the secretary of state, Vince Cable, in November 2012 stating that there were "no proposed redundancies at present" at Comet .
(5) Estimates of what we will be able to see will improve over the next few days as astronomers track the comet's progress.
(6) Comet, the electricals retailer that has collapsed into administration, is the latest high street casualty, emblematic of thousands of shuttered shops up and down the land.
(7) 1933 Comet Battery store is founded by George Hollingbery in Hull, Yorkshire, employing two people who charge batteries for customers' wireless sets.
(8) We have used video image analysis to define appropriate "features" of the comet as a measure of DNA damage, and have quantified damage and repair by ionizing radiation.
(9) The authors' contribution to the problem is the observation of special thrombocyte aggregates surrounding neutrophils resembling comet tails, as well as the fact that the authors observed the formation of aggregates surrounding also lymphocytes and eosinophil cells.
(10) The pathognomonic sign is the "comet tail" that results from the crowding of vessels and bronchi as they enter the atelectatic region.
(11) Diallo was able to get the plate number off the women’s car but when he gave it to police he said he was told: “It’s a civil matter, there’s nothing we can do.” DC police spokeswoman Margarita Mikhaylova said they had “not received reports of specific threats” from businesses neighboring Comet Ping Pong.
(12) Following the revelations, it has emerged that Tims, who was news editor of the Surrey Comet between 1980 and 1988, was interviewed by an officer working for Operation Fernbridge, the criminal investigation examining claims of sexual abuse and grooming of children by prominent men, including senior MPs, top police officers and people with links to the royal household.
(13) Certain phenomena such as "centrifugal effect" and "comet effect" are examples of new problems generated by the advent of TBM.
(14) 2011 Kesa shareholders vote for the sale of loss-making Comet to private investment firm OpCapita for just £2 .
(15) This followed a string of closures in 2012 including Comet, JJB Sports, Game, Peacocks and Blacks Leisure.
(16) Comet is to close a further 125 stores – with the loss of 2,500 jobs – over the next few weeks, and it may shut down its entire business before the end of the year unless a buyer can be found, the administrator, Deloitte , has warned.
(17) Previous probes have included Lunar Prospector, which studied the moon's geology; Stardust, which returned a sample of material scooped from a comet's tail; and Mars Pathfinder, which deployed a tiny motorised robot vehicle on the Red Planet in 1997.
(18) We have studied incision-break formation in unstimulated and stimulated populations of human T-lymphocytes using the comet (single-cell microgel electrophoresis) assay.
(19) I just wanted to do some good and went about it the wrong way,” Edgar Welch, 28, told a reporter from the New York Times , adding: “I regret how I handled the situation.” Welch was arrested on Sunday at the Comet Ping Pong pizzeria, which became the subject of lurid conspiracy theories after it was mentioned in the personal emails of John Podesta , Hillary Clinton’s campaign chief, published by WikiLeaks.
(20) DNA containing breaks extends in the direction of the anode forming an image resembling the tail of a comet.
Dust
Definition:
(n.) Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust.
(n.) A single particle of earth or other matter.
(n.) The earth, as the resting place of the dead.
(n.) The earthy remains of bodies once alive; the remains of the human body.
(n.) Figuratively, a worthless thing.
(n.) Figuratively, a low or mean condition.
(n.) Gold dust
(n.) Coined money; cash.
(v. t.) To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor.
(v. t.) To sprinkle with dust.
(v. t.) To reduce to a fine powder; to levigate.
Example Sentences:
(1) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(2) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
(3) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
(4) Where the guanine content was more than or equal to 0.25% in the dry dust, mite numbers were higher than 10 mites per 0.1 g dust in 43 of the 44 samples.
(5) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(6) The results of pathohistologic investigations are objectively demonstrated through a chart of morphological traits, thus facilitating the identification of the diagnostical morphological traits caused by different industrial dusts.
(7) A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed.
(8) The median exposure of total dust was well below the Swedish threshold value, and the exposure of mould and bacteria was also low.
(9) Mattress dusts from the beds of 51 asthmatic children with positive skin tests to house dust mite were assayed for Der p I, Fel d I and certain viable fungi.
(10) According to the quantitative analysis between threshold titers of skin test and RAST titers using house dust and HD mites allergens, specific IgE production shall be decreased in the patients over 40 years old.
(11) Both the observance of occupational limit-values for dusts and other harmful materials at the work place, which have effects on the respiration system, and the medical survey of workers with the use of special methods for examination of respiratory system are necessary.
(12) Further, investigation of electrokinetic properties of these dusts by electrophoretic quasielastic light scattering is described.
(13) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
(14) After allowance for the fact that regression analyses suggested that the proportion of tremolite in dust was probably 2.5 times higher in Thetford Mines, Quebec, than in Charleston, the results from both matched pair and stratification analyses of tremolite fibre concentrations in lung were almost the same as for chrysotile.
(15) In vitro exposure of macrophages and neutrophils to inorganic dusts can enhance their oxidative metabolism, however the effects of inorganic dust inhalation on lung-inflammatory cell-oxidative metabolism remain unknown.
(16) Fifty asthmatics, candidates for hyposensitization with the house dust mite Dermatophagoides pteronyssinus (Dp), went through a series of allergy tests to evaluate the sensitivity of different organs to Dp.
(17) Specified cytotoxicity and mutagenicity of coal dust extract (mixture of solvent extractions of bituminous coal nitrosated by NaNO2) were investigated because of the association of an excess risk of gastric cancer in coal miners.
(18) History is littered with examples of byelection sensations that soon turned to dust.
(19) Inhalant allergens as mite house dust, animal danders, pollens, molds and food allergens are considered, now, to be the most sensitizing agents.
(20) Water from the reactors that were the source of Sonoda's drink is being used to spray trees to limit the buildup of dust and prevent fires.