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comet

2 syllables
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As a noun, comet means 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.

Meanings of comet

4 meanings

noun

  1. astronomyA 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.

  2. A celestial phenomenon with the appearance of such a body.

  3. Any of several species of hummingbird found in the Andes.

  4. (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

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