Share this entry

micrometeorite Syllabification: mi·cro·me·te·or·ite
Pronunciation: /ˌmīkrōˈmēdēəˌrīt/

Definition of micrometeorite in English:


A micrometeoroid that has entered the earth’s atmosphere.
Example sentences
  • The Moon's regolith was created by the ceaseless bombardment of micrometeorites, cosmic rays and particles of solar wind breaking down rocks for billions of years.
  • Ask me sometime how they keep it from hazing with normal cosmic dust and micrometeorites.
  • Some are impacts from micrometeorites coming from the birth of the Solar System, and some can be attributed to paint flakes from spacecraft or other space debris.

Definition of micrometeorite in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day innocuous
Pronunciation: ɪˈnɒkjʊəs
not harmful or offensive