blue baby


Definition of blue baby

: an infant with cyanosis usually from a congenital heart defect in which venous and arterial blood are mingled

Examples of blue baby in a Sentence

Recent Examples on the Web Nitrate has been associated with a condition called blue baby syndrome, which reduces the amount of oxygen in a baby’s blood. Lee Bergquist, Milwaukee Journal Sentinel, "DNR pushes ahead with plans for stricter farming practices to fight nitrate pollution," 10 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blue baby.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blue baby

1858, in the meaning defined above

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Time Traveler for blue baby

Time Traveler

The first known use of blue baby was in 1858

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Cite this Entry

“Blue baby.” Dictionary, Merriam-Webster, Accessed 24 Feb. 2021.

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More Definitions for blue baby

blue baby


English Language Learners Definition of blue baby

: a baby that has bluish skin usually because its heart is not working correctly

blue baby


Medical Definition of blue baby

: an infant with a bluish tint usually from a congenital heart defect marked by mingling of venous and arterial blood

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