ADP vs adenosine diphosphate

ADP and adenosine diphosphate both are nouns.

Word	Noun	Adjective	Verb	Adverb
ADP	Yes	No	No	No
adenosine diphosphate	Yes	No	No	No

As nouns, ADP and adenosine diphosphate are synonyms defined as:

ADP and adenosine diphosphate: an ester of adenosine that is converted to ATP for energy storage

ADP (noun)	adenosine diphosphate (noun)
data processing by a computer	an ester of adenosine that is converted to ATP for energy storage
an ester of adenosine that is converted to ATP for energy storage