intensive care unit

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

Origin:
1960–65

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American Heritage
Medical Dictionary

intensive care unit n.
Abbr. ICU
A specialized section of a hospital containing the equipment, medical and nursing staff, and monitoring devices necessary to provide intensive care. Also called critical care unit.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
He was admitted to the hospital's intensive care unit.
Until the day he ended up in the intensive care unit.
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