micrometeor vs micrometeorite

micrometeor and micrometeorite both are nouns.

Word	Noun	Adjective	Verb	Adverb
micrometeor	Yes	No	No	No
micrometeorite	Yes	No	No	No

As nouns, micrometeor and micrometeorite are synonyms defined as:

micrometeor and micrometeorite: a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere

Other synonyms of micrometeor include micrometeoroid.

micrometeor (noun)	micrometeorite (noun)
a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere	a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere