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NICU

American  
[en-ahy-see-yoo, nik-yoo] / ˈɛnˈaɪˈsiˈyu, ˈnɪkˌyu /

noun

  1. neonatal intensive care unit: a specialized center in a hospital where intensive care is provided for newborn infants who are premature or have health problems.


NICU British  

abbreviation

  1. neonatal intensive care unit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of NICU

First recorded in 1970–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He was back here as a chubby, chatty toddler, not the helpless baby in the NICU.

From The Wall Street Journal • Oct. 23, 2025

“She is currently in the NICU, gaining strength every day. Mom and baby are both doing OK, but she will need to stay in the hospital until she is ready to come home.”

From Los Angeles Times • Aug. 29, 2025

In recent years, more hospitals have trained volunteers to provide this service in the NICU, a nursery where specialists offer 24/7 care to at-risk newborns until their health stabilizes.

From Washington Times • Nov. 21, 2023

Yet, there are no current methods to continuously monitor airflow at the bedside and to accurately distinguish apnea subtypes, especially in these most vulnerable infants in the clinical NICU.

From Science Daily • Nov. 16, 2023

I sprint across the bridge into Building 2, dodging nurses and patients and doctors, and head through the double doors into the east entrance of the NICU.

From "Five Feet Apart" by Rachael Lippincott

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