noun
Astronomical term for a small rocky or metallic body in outer space, smaller than an asteroid. The Japanese synonym 流星物質 is also used.
See also: 流星物質
メテオロイドが地球の大気に突入すると流星になる。
When a meteoroid enters the Earth's atmosphere, it becomes a meteor.
Synonym for meteoroid; メテオロイド is the direct loanword, while 流星物質 is a native compound meaning 'meteor material'.
Asteroid; larger than a meteoroid.
Meteor; the light phenomenon produced when a meteoroid enters the atmosphere.
Meteorite; a meteoroid that survives atmospheric entry and reaches the ground.
Loanword from English 'meteoroid'.