생후 1개월 이내의 신생아에게 일어나는 또는 그와 관련된.
Relating to newborn children, particularly during the first month after birth.
예문:
"The hospital's neonatal unit provides specialized care for premature babies."
"Neonatal screening is a routine procedure to check for genetic conditions."
"The first few weeks are known as the neonatal period of development."