intensive care

/IH0 N T EH1 N S IH0 V K EH0 R/
noun
  1. 1

    The support and monitoring of critically ill patients, especially by the use of instrumentation and specialized staff and equipment.

noun
  1. 1

    A hospital ward into which critically ill patients, in danger of dying, are admitted and closely monitored (abbreviation: ICU).

Source: https://en.wiktionary.org/wiki/intensive%20care, https://en.wiktionary.org/wiki/intensive%20care%20unit