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.

Category relationships: Astronomy, Uranology
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

comes full circle
comes in
comes into
comes into being
comes on
comes out
comes out of the closet
comes through
comes to
comes to life
comes true
comes up
comest
comestible
comestibles
comet (current term)
comet sign
comet tail sign
cometabolism
cometabolisms
cometaria
cometarium
cometary
cometesimal
cometh
comether
comethers
cometic
cometlike
cometographer

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