(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.
Cometary
Definition:
(a.) Pertaining to, or resembling, a comet.
Example Sentences:
(1) The total amounts were adjusted to correspond to a carbon to nitrogen ratio of 1.8 and a water content of about 50% in a cometary nucleus where the dust to volatiles ratio is 1; the total amount of CN-bearing compounds was taken to correspond to 0.4% of the cometary mass.
(2) The product of energy flux and efficiency implies the unexpected conclusion that shocks occurring on atmospheric entry of cometary meteors and micrometeorites and from thunder may have been the principal energy sources for pre-biological organic synthesis on the primitive earth.
(3) We have considered the relevance of the present findings to the chemistry of a liquid-water core and the icy layers of a cometary nucleus.
(4) This pond was formed by an improbable, fortuitous soft-landing of a cometary nucleus, or fragment thereof, on the surface of a suitable planet with an atmosphere in an appropriate thermodynamic state, such as Earth.