meconium
noun
me·co·ni·um mi-ˈkō-nē-əm 
: a dark greenish mass that accumulates in the bowel during fetal life and is discharged shortly after birth
Example Sentences
Recent Examples on the Web There was no food but meconium, the dark fluid that is in the stomach of fetuses and newborns until replaced with milk or formula. 
Cory Shaffer, cleveland, 12 June 2022 Over the last year, research has shown the presence of these particles in human blood, healthy lung tissue and meconium — the first bowel movement of a newborn. Los Angeles Times, 23 May 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 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 See More
Cory Shaffer, cleveland, 12 June 2022 Over the last year, research has shown the presence of these particles in human blood, healthy lung tissue and meconium — the first bowel movement of a newborn. Los Angeles Times, 23 May 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 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 See More Word History
Etymology
Latin, literally, poppy juice, from Greek mēkōnion, from mēkōn poppy; akin to Old High German mago poppy
First Known Use
circa 1706, in the meaning defined above
Medical Definition
meconium
noun
me·co·ni·um mi-ˈkō-nē-əm
: 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