meteor vs meteoroid

meteor and meteoroid both are nouns.

Word	Noun	Adjective	Verb	Adverb
meteor	Yes	No	No	No
meteoroid	Yes	No	No	No

As nouns, meteor and meteoroid are synonyms defined as:

meteor and meteoroid: (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere

meteor (noun)	meteoroid (noun)
(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere	(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode