comet

IPA: kˈɑmʌt

(astronomy) A small Solar System body consisting mainly of volatile ice, dust and particles of rock whose very eccentric solar orbit periodically brings it close enough to the Sun that the ice vaporises to form an atmosphere, or coma, which may be blown by the solar wind to produce a visible tail.
A celestial phenomenon with the appearance of such a body.
Any of several species of hummingbird found in the Andes.
The fifth reindeer of Santa Claus.
(programming) A web application model in which a long-held HTTP request allows a web server to push data to a browser, without the browser explicitly requesting it.

Examples of "comet" in Sentences

The image shows the ion tail of the comet.
The stroke hit about the paddle of the Comet.
The comet's next perihelion will be in the year 2016.
Its heat will begin to vaporize the ice in the comet's body.
In the UK, the series ended with the Comet in Moominland story.
I've now reverted the addition of the symbols to the comet infobox.
It measured both the neutral and ionized constituents of the comet's coma.
He is an expert on the photometry and polarimetry of minor planets and comets.
That is the difference between the slow balloon and the ballistic vomit comet.
This proximity should vaporize much of the comet, potentially producing a spectacularly bright comet head and tail.