Intensive Care Unit The ward in the hospital where very ill patients are monitored very closely Typically, the patient-staff ratio is very low and the life-saving equipment used is very advanced
Instrument Control Unit, a part of the distributed command and control function implemented on ESA spacecraft The unit receives, decodes and executes high-level commands for its instrument, and autonomously performs health-checking and parameter monitoring In the event of anomalies it takes autonomous recovery actions
intensive care unit. intensive care unit a department in a hospital that gives special attention and treatment to people who are very sick or badly injured