meconium

noun
me·​co·​ni·​um | \ mi-ˈkō-nē-əm How to pronounce meconium (audio) \

Definition of meconium

: a dark greenish mass that accumulates in the bowel during fetal life and is discharged shortly after birth

Examples of meconium in a Sentence

Recent Examples on the Web In just the last few months, research has shown the presence of plastic particles in human blood, healthy lung tissue and meconium — the first bowel movement of a newborn. Susanne Rust, Los Angeles Times, 28 Apr. 2022 In just the last few months, research has shown the presence of plastic particles in human blood, healthy lung tissue and meconium — the first bowel movement of a newborn. Susanne Rust, Los Angeles Times, 28 Apr. 2022 In just the last few months, research has shown the presence of plastic particles in human blood, healthy lung tissue and meconium — the first bowel movement of a newborn. Susanne Ruststaff Writer, Los Angeles Times, 17 Apr. 2022 This echoes previous studies that have found microplastics in human placentas and meconium. Matt Simon, Wired, 22 Sep. 2021 Lab studies, animal research and 29 studies of acetaminophen use in 220,000 mother and child pairs have been done, the statement said, including two studies that found acetaminophen in cord blood and meconium, the baby's first stool. Sandee Lamotte, CNN, 23 Sep. 2021 The researchers found smaller amounts of both polymers in the meconium, suggesting that babies are born with plastics already in their systems. Matt Simon, Wired, 22 Sep. 2021 When Strube-Bohaty was an infant, she was diagnosed with meconium ileus, a bowel obstruction that occurs when a child’s intestines become stickier than normal. Jason Duaine Hahn, PEOPLE.com, 1 May 2018 The good news is that after a few days the meconium stage passes. Matt Coyne, Good Housekeeping, 5 Apr. 2018 See More

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

First Known Use of meconium

circa 1706, in the meaning defined above

History and Etymology for meconium

Latin, literally, poppy juice, from Greek mēkōnion, from mēkōn poppy; akin to Old High German mago poppy

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Time Traveler for meconium

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The first known use of meconium was circa 1706

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Dictionary Entries Near meconium

meconidium

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meconopsis

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Last Updated

22 May 2022

Cite this Entry

“Meconium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meconium. Accessed 25 May. 2022.

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More Definitions for meconium

meconium

noun
me·​co·​ni·​um | \ mi-ˈkō-nē-əm How to pronounce meconium (audio) \

Medical Definition of meconium

: a dark greenish mass of desquamated cells, mucus, and bile that accumulates in the bowel of a fetus and is typically discharged shortly after birth

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