Definition of meconium in English:

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meconium

Pronunciation: /məˈkōnēəm/

noun

Medicine
The dark green substance forming the first feces of a newborn infant.
Example sentences
  • Infants who pass thin meconium, which is yellow to light green and watery, are more likely to be healthy at birth.
  • In 95 percent of newborns, meconium is passed by 24 hours of age.
  • The question as to why some infants may discharge meconium in times of stress and other infants do not has not been well studied.

Origin

Early 18th century: from Latin, literally 'poppy juice', from Greek mēkōnion, from mēkōn 'poppy'.

For editors and proofreaders

Syllabification: me·co·ni·um

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