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Definition of Comet
1. Noun. (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit.
Terms within: Coma, Nucleus
Generic synonyms: Estraterrestrial Body, Extraterrestrial Object
Derivative terms: Cometary, Cometic
Definition of Comet
1. 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.
Definition of Comet
1. Noun. (astronomy) A celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun. ¹
2. Noun. A celestial phenomenon with the appearance given by the orbiting celestial body. ¹
¹ Source: wiktionary.com
Definition of Comet
1. a celestial body [n -S] : COMETARY [adj]
Lexicographical Neighbors of Comet
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