過か熟じゅく児じかじゅくじMeanings1nounpostmature infantMedical term for an infant born after 42 weeks of gestation.過か熟じゅく児じは、在ざい胎たい42週しゅう以い降こうに生うまれた新しん生せい児じを指さす。A postmature infant refers to a newborn born after 42 weeks of gestation.