IS

comp. abbr.

Information Separator

nucl. abbr.

Isomer Shifts

abbr.

Intermediate System (ATM)

abbr.

International Standard (ISO)

abbr.

International Supplement (ODT)

comp. abbr.

Information System

comp. abbr.

Interrupt Status

acronym

Information Systems

acronym

International Standard (ISO) (Beyond the DIS Stage)