index register

English Thesaurus

1. (computer science) a register used to determine the address of an operand (noun.artifact)

hypernym	:	register,
definition	:	(computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind (noun.artifact)

domain category	:	computer science, computing,
definition	:	the branch of engineering science that studies (with the aid of computers) computable processes and structures (noun.cognition)