English Dictionary

comet

/ˈkɒmət/

noun

(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.

The comet streaked across the night sky.

意味（1）

(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.

意味（2）

A celestial phenomenon with the appearance of such a body.

Upon his browes was pourtraid vgly death,

And in his eies the furies of his heart,

That ſhine as Comets, menacing reueng,

Upon his browes was pourtraid vgly death, And in his eies the furies of his heart, That ſhine as Comets, menacing reueng, And caſts a pale complexion on his cheeks.

意味（3）

Any of several species of hummingbird found in the Andes.