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intensive care unit

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noun
  1. the specialized center in a hospital where intensive care is provided. Abbreviation: ICU

Origin of intensive care unit

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
intensive care unit in Medicine

intensive care unit

n.
  1. A specialized section of a hospital containing the equipment, medical and nursing staff, and monitoring devices necessary to provide intensive care.critical care unit
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.