IV

Noun	1.	IV - the cardinal number that is the sum of three and one Synonyms: Little Joe, quadruplet, quartet, quatern, 4, four, quaternion, quaternity, tetrad, foursome, quaternary
	2.	IV - administration of nutrients through a vein Synonyms: intravenous feeding
Adj.	1.	iv - being one more than three Synonyms: 4, four

Initialisation Vector (cryptography)4, cardinal, four