improvised explosive device vs I.E.D.

improvised explosive device and I.E.D. both are nouns.

Word	Noun	Adjective	Verb	Adverb
improvised explosive device	Yes	No	No	No
I.E.D.	Yes	No	No	No

As nouns, improvised explosive device and I.E.D. are synonyms defined as:

improvised explosive device and I.E.D.: an explosive device that is improvised

Other synonyms of improvised explosive device include IED.

improvised explosive device (noun)	I.E.D. (noun)
an explosive device that is improvised	an explosive device that is improvised