general-purpose bomb vs GP bomb

general-purpose bomb and GP bomb both are nouns.

Word	Noun	Adjective	Verb	Adverb
general-purpose bomb	Yes	No	No	No
GP bomb	Yes	No	No	No

As nouns, general-purpose bomb and GP bomb are synonyms defined as:

general-purpose bomb and GP bomb: a large bomb (500 to 2,000 pounds that is 50% explosive) whose explosion creates a blast and whose metal casing creates some fragmentation effect

general-purpose bomb (noun)	GP bomb (noun)
a large bomb (500 to 2,000 pounds that is 50% explosive) whose explosion creates a blast and whose metal casing creates some fragmentation effect	a large bomb (500 to 2,000 pounds that is 50% explosive) whose explosion creates a blast and whose metal casing creates some fragmentation effect