megaelectron volt vs MeV

megaelectron volt and MeV both are nouns.

Word	Noun	Adjective	Verb	Adverb
megaelectron volt	Yes	No	No	No
MeV	Yes	No	No	No

As nouns, megaelectron volt and MeV are synonyms defined as:

megaelectron volt and MeV: a unit of energy equal to the work done by an electron accelerated through a potential difference of one million electron volts.

megaelectron volt (noun)	MeV (noun)
a unit of energy equal to the work done by an electron accelerated through a potential difference of one million electron volts.	a unit of energy equal to the work done by an electron accelerated through a potential difference of one million electron volts.