comet
- noun
- B1
- Top 10000

A large ball of ice and dust that moves around the sun and grows a long bright tail when it comes close to it.
This comet returns to our part of the sky every seventy years.
A comet grows a long shining tail as it nears the sun.
In the past people feared that a comet meant war and hunger.
A small probe landed on a comet and drilled into its ice.
Common collocations: a bright comet · the tail of a comet · a comet passes · spot a comet · a comet appears
Part of: Space
Forms
- plural
- comets